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if the perimeter of a rectangle is 6984 and the width of the perimeter is 3 times smaller than the length. What is the length and width of the perimeter

User Kristof
by
8.0k points

1 Answer

4 votes
w - the width
l - the length

P = 6984

P = 2w + 2l

l = 3w

substitute

2w + 2 · 3w = 6984
2w + 6w = 6984
8w = 6984 |:8
w = 873

l = 3 · 873 = 2619

Answer: the length = 2619 and the width = 873
User Troy SK
by
8.1k points
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