SOLUTION: The width of a rectangle is 6 cm less than its length, and its area is 72 square centimeters. FInd its length and width.

Question 255843: The width of a rectangle is 6 cm less than its length, and its area is 72 square centimeters. FInd its length and width.
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
We can let x be the length and x-6 be the width. Now we can set up an equation.
x+x+(x-6)+(x-6)=72 Combine like terms give us:
4x-12=72 Add 12 to both sides will be:
4x=84 Divide both sides by 4 will result in:
x=21 Therefore the length is 21 cm and the width is 15 cm
RJ
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