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a roll of carpet is 9ft wide is 30 ft longer than a roll of carpet 15 ft wide. both rolls have the same area.find the dimemsions of each.

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L1 = L2 + 30

Area = Area

9 * L1 = L2 * 15

9 * (L2 + 30) = L2 * 15

Solve for L2, put that value in the first equation to find L1. To check, put both values in the second equation.

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