SOLUTION: The area of a rectangular carpet is 72 square feet. The carpet's length is (x + 4) and the carpet's width is (5x + 2) feet. Find the dimensions of the carpet
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Question 677979: The area of a rectangular carpet is 72 square feet. The carpet's length is (x + 4) and the carpet's width is (5x + 2) feet. Find the dimensions of the carpet
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
a = lw = 72
l = x+4
w = 5x+2
...
(x+4)(5x+2) = 72
...
Quadratic Equation
x = }
...
x =
...
x =
...
x =
...
x =
Or
x = --> don't use the negative because dimensions cannot be negative.
...
...
l = x+4 = 2+4 = ft
w = 5x+2 = 5(2)+2 = 10+2 = ft
...
Check 6*12 = 72
............
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