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The width of a rectangle is triple the length. If the perimeter of the rectangle is 40, find the length.?

+1 vote
asked Mar 8, 2013 in ALGEBRA 1 by andrew Scholar

1 Answer

+1 vote

The width of a rectangle is triple the length

The width of a rectangle =3(length)

The perimeter of a rectangle =40

Rectangle perimeter formula = 2(length+width)

Substitute the values in formula



2(4(length)) =40

8(length) = 40

Divide each side by 8

8(length)/8 = 40/8


length = 5

The length of the rectangle is 5.

answered Mar 8, 2013 by diane Scholar

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