SOLUTION: Catrina and Tom want to buy a rug for a room that i s 13 by 20 feet. They want to leave an even strip of flooring uncovered around the edgesof the room, How wide a strip will they

Question 537689: Catrina and Tom want to buy a rug for a room that i s 13 by 20 feet. They want to leave an even strip of flooring uncovered around the edgesof the room, How wide a strip will they have if they buy a rug with an area of 198 square feet?
Found 2 solutions by CubeyThePenguin, josgarithmetic:
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
198 = 11 * 18

border = 1 foot around the rug
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x, the width empty around the rug

simplifies to

If use general quadratic equation solution formula

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