Answer:
$2,625
Explanation:
Interest is calculated using the formula
I = p x r x t
For Galindo family
I= interest,
P = principal amount : $10,000
r= Interest rate: 7.5 % or 0.075
t= times in years : 3.5 years( 42 months /12)
I= $10,000 x 0.075 x 3.5
I=750 x 3.5
I=$2,625