noursadkaoui777 noursadkaoui777

23-03-2020
Mathematics

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Jack spends 1 4/5 times as long on his homework as jill. Last week, jill spent 7 3/4 hours doing homework. How long did jack spend doing homework

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EnianMuceku EnianMuceku

23-03-2020

13.95 hours or 837 min

Step-by-step explanation:

1+ 4/5=9/5 7+3/4=31/4

9/5=1.8; 31/4=7.75

1.8×7.75=13.95 hours

13.95×60min=837min

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