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21-03-2017
Mathematics

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The ratio of length to width is 2:3. Fine the length of the rectangle when the area is 150 in.^2

Respuesta :

22-03-2017

L/W=2/3, W=3L/2

A=WL, using W from above

A=(3L^2)/2, and A=150 so

(3L^2)/2=150

3L^2=300

L^2=100

L=10in

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