Maxine spent 15 hours doing her homework last week. This week she spent 18 hours doing homework. She says that she spent 120% more time doing homework this week, Is she correct?

1 Answer
LM · Stefan V.
Dec 4, 2016

Yes

Explanation:

#120% = 1.2#

If Maxine is correct, then she spent #1.2# times the hours she did homework than last week.

#15 * 1.2 = 18.0 = 18#

#"15 hours" * 1.2 = "18.0 hours" = "18 hours"#

This means that Maxine is correct.

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