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11-11-2018
Mathematics

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A rectangle has length 72 cm and it’s width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. Find the constant of variation.

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wegnerkolmp2741o wegnerkolmp2741o

11-11-2018

A = l*w

A = 72* 56

A= 4032

4032 = L*21

4032/21 =L

L =192

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