samcute3719 samcute3719

13-08-2017
Mathematics

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A rectangular table is fivetimes as long as it is wide. if the area is 80ftsquared,find the length and the width of the table.

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texaschic101 texaschic101

13-08-2017

A = L * W
A = 80
L = 5W

80 = W(5W)
80 = 5W^2
80/5 = W^2
16 = W^2
sqrt 16 = W
4 = W <=== width is 4 ft

L = 5W
L = 5(4)
L = 20 <=== length is 20 ft

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