SOLUTION: A rectangle is 15 inches longer than its wide. Its perimeter is 150 inches. What is the rectangles area

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Question 908052: A rectangle is 15 inches longer than its wide. Its perimeter is 150 inches. What is the rectangles area
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
P = 150
L = W + 15
P = 2L + 2W
150 = 2L + 2W
150 = 2(W+15) + 2W
150 = 2W + 30 + 2W
150 = 4W + 30
120 = 4W
30 = W
Therefore, L = 45
A = L * W
A = 30 * 45
Area = 1350