Question

Carlos predicts that his math homework will take him 60 out of the total 75 minutes that he has available for tonight.

Answer 1

1. He would spend an hour (60/100) 

2. 20%

Answer 2

1. 60/75
divide both by 5
12/15
100/5=20
15*3 1/3=20
12*3 1/3=16
16/20
multiply both sides by 5
80/100

2.80% It is related because it is 80/100 as a fraction.