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3 years ago

7

Grace spent 15 minutes on her math homework. That was 30% of the total number of minutes she spent doing homework. How many minu

tes did she spend doing homework?

1 answer:

Schach [20]3 years ago

6 0

50 minutes

given 30% we require to find 100%

divide 15 minutes by 30 to obtain 1% and multiply by 100 for 100%

time = 15 × $\frac{100}{30}$ = 50 minutes

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