Answer:
Maxine is correct
Step-by-step explanation:
Given
last week= 15 hours
this week= 18 hour
Prove that hours this week is 120% than the hours last week
15 hours* 120%= 18 hours
18 hours/ 15 hours=1.20 x 100%= 120%
Maxine is correct. She spent 120% more time doing homework this week.