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12 January, 05:01

Marcus spent 10 hours doing his homework last week. This eek he spent 11 hours doing his homework. He say he spent 110% more time doing homework this week. Is he correct? how do i justify

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  1. 12 January, 05:20
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    How much extra hours did he spent doing his homework between last week and this week:

    11-10 = 1 hour

    Extra hour over original hour x 100% will be the percentage of extra time he did his homework:

    1/10 x 100% = 10%

    Therefore, he is not correct.
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