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The area of a rectangle is 60 in 2 The length is 4 inches greater than the width Find the length?
Wiki User
∙ 13y ago
Name the length L & the width W ,then:
L x W = 60
L = 4 + W
Solve the system by substituting the value of L from the second equation in the first one.
( 4 + W )X W = 60
4W + W^2 = 60
W^2 + 4W - 60 = 0
W = 6 accepted
& W = -10 rejected
Now,solve for L :
L = 4 + 6 = 10
So, the length is 10 feet & the width is 6 feet
Wiki User
∙ 13y ago
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