Problema Solution
The length of a rectangle is 5 inches longer than it is wide. If the area is 84 square inches, what are the dimensions of the rectangle?
Answer provided by our tutors
Let
x = the width of the rectangle, x>0
x + 5 = the length of the rectangle
A = 84 in^2 the area of the rectangle
A = width*length
x(x + 5) = 84
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x = 7 in
x + 5 = 7 + 5 = 12 in
The dimensions of the rectangle are: the width is 7 inches and length is 12 inches.