Marcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 110% more time doing homework this week. Is he correct? Show your work to justify your decision.
And this is a practice essay so it needs to be justified in words how I got the same answer as Marcus ( and yes I know he is right)

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he is not correct. 110% more would be 21 hours. 11 hours is 10% more.

Well yes.......I guess I did not see that thank you.......could you help me solve?

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