SOLUTION: The length of a rectangle is 3 in. more than three times its width. If the perimeter of the rectangle is 78 in., find the width of the rectangle.(Show the two equations used to sol
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Question 470942: The length of a rectangle is 3 in. more than three times its width. If the perimeter of the rectangle is 78 in., find the width of the rectangle.(Show the two equations used to solve it and the solution)
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
2w+2(3w+3)=78
2w+6w+6=78
8w=72
w=9
l=30
The rectangle is 9' by 30'..
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