SOLUTION: Suppose the width of 4 inches is decreased by 3 inches. Find the percent of change in the perimeter. the rectangle is 6 inches by 4 inches.

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Question 379945: Suppose the width of 4 inches is decreased by 3 inches. Find the percent of change in the perimeter. the rectangle is 6 inches by 4 inches.
Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!
The original perimeter is P = 2(6 + 4) = 2*10 = 20. If the width is decreased by 3, inches, the new perimeter is 2(6 + 1) = 2*7 = 14. The percent change is then *100% = *100%, or -30%.
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