The area of a rectangular wall of a barn is 240 ft.². It's length is 4 feet longer than twice it's width. Find the length and the width of the wall of the barn

Question

Mathematics

Adrienne Knapp

4 October, 18:48

The area of a rectangular wall of a barn is 240 ft.². It's length is 4 feet longer than twice it's width. Find the length and the width of the wall of the barn

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Answers (1)

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Newton · Answer 1

A = l * b

a = 240 ft^2

l = (x * 2) + 4

b = x

240 = (x * 2) + 4 * x

Then I started plugging in random values for x. Eventually I came up with this;

240 = (10 * 2) + 4 * 10

240 = 20 + 4 * 10

240 = 24 * 10

240 = 24

Length = 24 feet

Width = 10 feet