Question

Maxine spent 15 hours doing her homework last week. This week she spent 18 hours doing homework. She says that she spent 120% more time doing homework this week. Is she correct?

Answer 1

She is incorrect. 120% more is the same as multiplying by 2.2


So is 15 times 2.2 equal to 18? No.

Answer 2

no she is not right at all
she spent 20% more time this week


good luck