SOLUTION: Ken has a rectangular shaped vegetable garden that is 15 feet by 9 feet. He would like to increase the length and width by the same amount, x, so the new garden is twice the curren

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Ken has a rectangular shaped vegetable garden that is 15 feet by 9 feet. He would like to increase the length and width by the same amount, x, so the new garden is twice the curren      Log On


   

Question 1064191: Ken has a rectangular shaped vegetable garden that is 15 feet by 9 feet. He would like to increase the length and width by the same amount, x, so the new garden is twice the current area. Find the value of x to the nearest tenth of a foot.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39838) About Me  (Show Source):
Answer by ikleyn(53937) About Me  (Show Source):
You can put this solution on YOUR website!
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(15+x)*(9+x) = 2*15*9.

Simplify and solve for x.