Evan spent 20 hours doing homework last week. This week he spent 25 hours doing homework. He says that he spent 125% more time doing homework this week. Is he correct? Show your work to justify your decision

Question

mathstudent55 · Answer

How much more time did he spend on homework this week than last week?

anonymous · Answer

5 hours

mathstudent55 · Answer

Good.
5 hours is what percent of the 20 hours he spent on homework last week?

anonymous · Answer

25%??

mathstudent55 · Answer

Correct.
That means he spent 25% more time this week than last week.

mathstudent55 · Answer

You can say that this week he spent 125% of the time he spent last week.
25 is 125% of 20.
The question is asking how much MORE time he spent.
The correct answer is he spent 25% more time this week than last week.

anonymous · Answer

Thanks

mathstudent55 · Answer

You're welcome.