There are 120 minutes in 2 hours. How many minutes are in 15 hours? what operation do I use

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asked Feb 28, 2015 16.8k views

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There are 120 minutes in 2 hours. How many minutes are in 15 hours? what operation do I use

Mathematics
middle-school

Hnin asked

by Hnin

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2 Answers

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The operation is multiplication . Just do 60 times 15 . You will get 900

Powder answered Mar 2, 2015

by Powder

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$120\ minutes\ in\ 2\ hours\\\\ x\ minutes\ \ in\ \ 15\ hours\\\\\Making\ ratio:\\ 120-2\\x-15\\\\Cross\ multiplication\\\\ 120*15=2x\\\\1800=2x\ \ \ \ | divide\ by\ x\\\\ x=900\\\\900\ minutes\ in\ 15\ hours.$

Faffaffaff answered Mar 5, 2015

by Faffaffaff

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There are 120 minutes in 2 hours. How many minutes are in 15 hours? what operation do I use

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