A field has an area of 9/20 square mile. Determine the width of the field if the length is 9/10 mile long.

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28-10-2015
Mathematics

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A field has an area of 9/20 square mile. Determine the width of the field if the length is 9/10 mile long.

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Agladegalliadi Agladegalliadi · Answer 1 · 2015-10-28T20:43:04-04:00

Agladegalliadi Agladegalliadi

28-10-2015

so a mile is 5280 ft, and if the are is 9/20 of a miles than find the miles area which is: 27878400 ft squared. then multiply the number by 9/20. and you get 12545280 ft squared.
Now that we have the Area: 12545280
Length is 9/10 of a mile. so 9/10x5280= 4752
L x W= A
4752W=12545280
Divide so you get W= 12545280/4752.
which is equal to 2640ft= W

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