Asked by henry

A farmer wishes to fence a rectangular area behind his barn. The barn forms one end of the rectangle and the length of the rectangle is three times the width. How many linear feet of fence must he buy if the perimeter of the rectangle is 320 feet?

The possible solutions are ___ or ___ linear feet.

Answers

Answered by Henry
Width = W.
Length = 3W.

2W + 2L = 320.
2W + 2*3W = 320,
W = 40 Ft. = Width.
Length = 3W = 3*40 = 120 Ft.

Since the barn forms one end of the rectangle, we only need W + 2L:
W + 2L = 40 + 2*120 = 280 Ft.


Answered by Anonymous
How do you answer the possible solutions......
Answered by What he said
What Anonymous said.
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