Cormac and Seán have a vegetable garden whose length is three times its width. T

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Cormac and Seán have a vegetable garden whose length is three times its width. The perimeter of the garden measures 80 metres. What is the area, in square metres, of the brothers' vegetable garden?

May 26th, 2015

L = 3W

2L + 2W = 80

Now substitute

2(3W) + 2W = 80

6W + 2W = 80

8W = 80

W = 10

L = 3(10) = 30

Then, the area is

(10)(30) = 300 square meters

May 26th, 2015

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May 26th, 2015
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May 26th, 2015
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