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24-01-2020
Mathematics

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The length of a rectangle is 8 times it's width. The perimeter is 126 cm. What is the length of the rectangle?

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24-01-2020

Answer:

width: 7 cm

length: 56 cm

Step-by-step explanation:

Let:

x=width

8x=length

P=2l+2w

126=2x + 2(8x)

126=2x+16x

18x=126

x=7

width: 7 cm

length: 56 cm

hope this helps!!

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