SOLUTION: the length of a rectangle is 7 inches longer than twice the width. What are the diemsions of the rec. if its perimeter is 74
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Question 347530: the length of a rectangle is 7 inches longer than twice the width. What are the diemsions of the rec. if its perimeter is 74
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
Let length = 2x + 7
Let width = x
Let perimeter = 74
P = 2L + 2W
74 = 2(2x + 7) + 2x
74 = 4x + 14 + 2x
74 = 6x + 14
74 - 14 = 6x
60 = 6x
60/6 = x
10 = x
The width is 10 inches.
The length is 27 inches.
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