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the length of a rectangle is five times its width. the area of the rectangle

Algebra
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is five times its width. The area of the rectangle is 320 square centimeters. Find the dimensions of the rectangle. 

width=       length=

Dec 9th, 2014

Width = x cm

Length = 5x cm

Area = 5x^2 sq cm =320 sq cm

x^2 = 320/5 =64

x = 8

Width = 8 cm

Length = 40 cm


Dec 9th, 2014

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Dec 9th, 2014
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