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The length of a rectangle is 6 cm shorter than twice the width. The perimeter of the rectangle is 42 cm. Find the length and the width of the rectangle show your work

Respuesta :

christinann062
42=(2w-6)+(2w-6)+w+w
42=6w-12
54=6w
w=9

42=2l+18
24=2l
l=12

length= 12cm, width= 9cm 
dianaesflo
Is 15 because 15 + 15 + 6 +6 =42

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