Sarah fenced in her backyard. the perimeter of the yard is s18 feet, and the width of the yard is 4 feet. use the perimeter formula to find the lenght of the rectangular yard in inches: p = 2l + 2w

  60 inches

Step-by-step explanation:

Put the given numbers in the formula and solve for the remaining unknown.

  P = 2L +2W

  18 ft = 2L +2×(4 ft)

  10 ft = 2L . . . . . . . . . subtract 8 ft

  5 ft = L . . . . . . . . . . . divide by 2

You want this in inches, so you make use of the fact that each foot is 12 inches.

  5 ft = 5×(12 in) = 60 in

The length of Sarah's fenced yard is 60 inches.

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step-by-step explanation:

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