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In a rectangle, the ratio of the width to the length is 4:5. If the rectangle is 40 centimeters long, find its width.

Guest Apr 4, 2017
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We can solve this with a proportion

 

4 / 5  = W / 40        where W is the width.....cross-multiply

 

40 * 4  = 5 * W

 

160   = 5 * W    divide both sides by 5

 

32 cm   =  W

 

 

 

 

cool cool cool

CPhill  Apr 4, 2017

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