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Karo-lina-s [1.5K]
4 years ago
11

PLZ HELPMarcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 11

0% more time doing homework this week. Is he correct? Show your work to justify your decision.
Mathematics
1 answer:
leva [86]4 years ago
5 0
This problem is a more like of a percentage increase problem. First, subtract 11 hours by the original hours which is 10 hours. Using mental math, subtracting 11 by 10 would be 1, obviously. Take the outcome of 1 and divide it by the hours he did last week which is 10. 1 divided by 10 would be equal to .1. Convert the decimal to a percentage and then you would get 10% and add it to 100%. So, yes, he is in fact correct.
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