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11-01-2015
Mathematics

Answered

The perimeter of a rectangle is 144 ft. The ratio of the width to the length is 3:5. Find the dimensions (length and width) of the rectangle.

Answer :

apologiabiology apologiabiology

11-01-2015

perimeter=2legnth+2width

width:legnth=3:5

perimiter=2(legnth+width)
144=2(legnth+width)
divide both sides by 2
72=legnth plus width

3+5=8
72/8=9

3 times 9=width=27
5 times 9=legnth=45

width=27 ft
legnth=45 ft

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