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24 April, 10:54

A playground is 50-feet long by 30-feet wide. The length and width of the playground will each be increased by the same number of feet. The following expression represents the perimeter of the larger playground:

(x + 50) + (x + 30) + (x + 50) + (x + 30)

Which expression is equivalent to the expression for the perimeter of the larger playground?

A) (x + 50) + (x + 30)

B) 4x + 40

C) 4 (x + 40)

D) 4 (x + 160)

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Answers (1)
  1. 24 April, 11:22
    0
    The answer is C

    You can ignore the parenthesis so you have

    x + 50 + x + 30 + x + 50 + x + 30 (combine like terms)

    4x+160 (factor out the 4)

    4 (x+40)
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