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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.

 Jan 15, 2019
 #1
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[ 11 - 10 ] / 10  x 100%  =

 

1 /10   x   100%   =

 

10%

 

Only 10% longer

 

 

cool cool cool

 Jan 15, 2019

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