Mathematics Middle School

Mr. Chang buys supplies for the school store. He bought 300 pencils on sale for $10. During the first three months of school, he sold 200 pencils and made $50. The other pencils were thrown away because they were broken. How much profit did Mr. Chang make on the pencils?

Answers

Answer 1

Answer:

$40

Step-by-step explanation:

He bought the pencils for $10, so his expense was $10. He sold the pencils for $50, and $50 - $10 is $40, and that's the total amount of money he made.

Answer 2
$40 .................………

Related Questions

PLS HELP I WILL GIVE BRAINLIST

Answers

Answer:

Y = 2x + 1

Step-by-step explanation:

the slope is;

Change in "y"                     2

-------------------- (over) =     ------ or 2

Change in "x"                     1

The y-intercept is the point in the graph where a point in slope touches the y- axis and.

In this case the point is (0,1) so the y-intercept is 1.

Hope this helps!

Y= 2x+1 because it is not a constant of proportionality

i think i have the answer doing this to make sure :) thank u so much if u answer

Answers

Answer:

i think it is B but put what u think and tell me if u thought B is corrrect though thank u have a great day

Step-by-step explanation:

I believe it would be B.

Write an expression equivalent to z + z + z + z + z that is the sum of two terms

Answers

Answer:

z+z

Step-by-step explanation:

ANSWER: z+z


STEP BY STEP EXPLANATION

Due TONIGHT PLEASE DO!

Answers

Answer:

50, 573, 57, R, 73

Step-by-step explanation:

PLEASE PLEASE PLEASE HELP ME ASAP!!!!

Answers

The Correct answer is C
The correct answer is C 59

Explanation

An angles degree will always equal 180

This triangle is a right angle so it has given you 90° and 30.6

So 90+30.6 = 120.6
180 -120.6=59.4
Which rounds to 59

A school chorus has 45 sixth-grade students and 70 seventh-grade students. The music director wants to make groups of performers, with the same combination of sixth- and seventh-grade students in each group. She wants to form as many groups as possible.

What is the largest number of groups that could be formed?

Answers

5 groups with 9 sixth-grade students and 14 seventh-grade students in each.

---

hope it helps

The music director can make 15 groups of performers with 6 sixth grade students and 5 seventh grade students in each group.
Step-by-step explanation:
A school chorus has 90 sixth-grade students and 75 seventh-grade students.
Factor these two numbers:

Find GCF(90,75):

Now,

Therefore, the music director can make 15 groups of performers with 6 sixth grade students and 5 seventh grade students in each group.

which epression is equivalent to 9x+4y+5+2x+8?

Answers

Answer:

11x+4y+13

Step-by-step explanation:

you have to add all of the same variables

11x+4y+13

You have to add all the same variables together.

7th grade math help!!
Dani experimented with a dollar bill and the copy machine a dollar bills length is 6.1 inches and width is 2.6 inches, she reduced the dollar bill so its length was 80% of its original size. Dani then reduced the copy of the dollar bill a second time by making at 15% smaller than the copy, what is the new length of the second copy? NO LINKS PLS

Answers

Answer:

4.148 inches

Step-by-step explanation:

Add all of the numbers, and use percentages to figure.

Hope this helped, and please mark as Brainliest :)

Answer:

4.148

Step-by-step explanation:

Just add everything up and you will get your answer! :)

If the regular price is $900 and the discount rate is 30%, what is the sale price?

Answers

The sale price is $630. 900/100 is 9( which is 1%) then multiply 9 and 30. Which gives you 270. Since it is a discount you subtract the 270 from the 900 which equals 630! Hope this helps!

Answer:

$630

Step-by-step explanation:

First, multiply the original price by the decimal of the percentage:

900 x 0.30 = 270

Since this is a discount we subtract the original amount and the discount amount. If it we were calculating tax or a raised price, you would add. But were lowering the price so:

900 - 270 = 630

Therefore, it’s 630

joey made an deposit into an account that earns 6% simple interest. after 3 years joey had earned 400$. how much was joey's initial deposit ?

Answers

I= prt
I=$400 (0.06) (3)
I= 72
The 6% was changed into a decimal (0.06)
So I multiplied 400 x 0.06 x 3
The 400 would be the principal amount the 6% would be the rate and the 3 would be the time

Stacy has 3 collector’s cards. She receives 2 more cards each week that she volunteers
at the student center.

Let x = the number of weeks.
Let y = the number of collector’s cards.

Write an equation that represents this problem.

Answers

Answer:

y=2x+3

Step-by-step explanation:

I don't really know how to explain it

y=2x+3 because we know she gets 2 more cards each week she volunteers but we dont know how many weeks she volunteered so 2x is correct + the 3 cards she already has. so y=2x+3

Please help me with this

Answers

Answer:

D

Step-by-step explanation:

15% of 140 = 21

Miss Owens has a coupon for 40% off a pair of shoes she pays $111.79 for a pair of shoes and a dress after using the coupon. The dress costs $64.99. Which equation can be solved for x, the retail price of the shoes?​

Answers

Answer:

The answer is A.

Step-by-step explanation:

Process of elimination... Its not C or D because the % distributes onto the dress cost and it only contributes to 111.79. Also, 40% of 1 is 0.6 so its not B, which leaves A...

Is the value of (y + 6) greater in 4(y + 6) = 48 or 12(y + 6) = 48?
How do you know?

Pls help i will give brainly!

Answers

click on pic click on pic

Natalie found a tennis ball outside a tennis court.

She picked up the ball and threw it over the fence into the court.

The path of the ball can be represented by the equation h=-16t^2+18t+5. find the maximum height,How long will it take to reach the ground?, and How high in the air will the ball be after 1 second?

Answers

SMS: SERVICE ERROR 305: Message delivery failed. Further messages will be charged to your account.

gabby and gabby dropped off my phone and gabby dropped off my phone and gabby dropped off

PLS HELP!
A slice is made parallel to the base of a right rectangular pyramid, as shown.


What is the area of the resulting two-dimensional cross-section?


Enter your answer in the box.

____cm²

Answers

Answer:

i think its 60cm and i actually solve it XD

hi hope everyone is doing well but can some pls help me with these
use inverse operations to solve :
X-5=15 X=?
X/5=15 X=?
5X=15 X=?
X+5=15 X=?
X-6=10 X=?

Answers

1. X=20
2. X=75
3. X=3
4. X=10
5. X=16
X=20
X=75
X=3
X=10
X=16
That it’s the answer

Help me on this question pls!!!!!

Answers

Answer:

i cant see the picture

Step-by-step explanation:

A cylindrical can of soda pop is 12 cm tall and has a diameter of 6 cm. The box for a 12-pack of soda pop has a length of 25 cm, a width of 19 cm and is 12.2 cm tall. The cans are placed in the box in three rows of 4. What is the volume of space that is not used when a 12-pack box of soda pop is full? ( Use 3.14 for Pi) pls don't answer if you don't have the answer

Answers

Answer: B. [tex]\frac{1}{4} \pi x^{3}[/tex]

Equation: I found the answer on this link

https://www.dcs.k12.oh.us/cms/lib/OH16000212/Centricity/Domain/277/20140221144149685.pdf

Can someone help me please!!!

Answers

1. 109

2. 52

3. 4

4. 89

5. 111

6. 72

109
52
4
89
111
72
Is the answers good luck

Can someone help me!

Answers

Looks to Be answer A have a great day!
It’s answer choice A

Select the correct comparison

Answers

Answer:

ok

Step-by-step explanation:

im confused where is the answer ?

Answer:

where is the rest

Step-by-step explanation:

(i will edit answer)

Which rules has a scale factor of 5 and shifted up and to the left?

Answers

Answer: more info pls

Step-by-step explanation:

What is the longest line segment that can be drawn in a right rectangular prism that is 12 cm​ long, 11 cm​ wide, and 7 cm​ tall?

Answers

Answer:  12.89 I think

Step-by-step explanation:

Help pls 6th grade math i will give brainliest

Answers

Answer:

A

Step-by-step explanation:

Brainliest?

The Answer Would Be: A

What is the volume of this prism?
A) 56 cubic units
B) 16 cubic units
C) 28 cubic units
D) 112 cubic units

Answers

Answer:

56 cubic units

Step-by-step explanation:

56 cubic cubes are the answer have a good day

I NEED HELP FAST!! What is the area of the shape below?

Answers

Answer:

the answer is 111m^2

The double dot plot below shows the daily low temperatures of two cities in January.

Which of the following statements about the two populations is true


A - The medians are the same.


B - The interquartile ranges are the same.


C - The temperatures for City A are typically higher.


D - The temperatures for City B are more consistent.

Answers

Answer:d

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

They are the closest together making a more consistent graph

Please answer I will give you brainliest

Answers

left one and up three!

Answer:

left one, up three

Step-by-step explanation:

-1 means left 1 from origin. 3 means up 3 from origin.

Please mark Brainliest

⚡✨

Select the correct answer.
What is the missing side length in this right triangle?



A.
15
B.
21
C.
225
D.
441

Answers

Answer:

Where is the triangle? At least say the other sides length

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