mdmsmsmk mdmsmsmk

23-10-2018
Mathematics

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A road crew takes 4/7 of an hour to pave seven miles of road. How long will it take the crew to pave one mile of road? Plz help I will give you 100 points

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wegnerkolmp2741o wegnerkolmp2741o

23-10-2018

7 miles divided by 4/7 hour

copy dot flip

7 miles * 7/4 hour

49/4 miles/ hour

d = rt

1 miles = 49/4 * t

divide each side by 49/4

1 / (49/4) = t

4/49 =t

it takes 4/49 of an hour

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