SOLUTION: The local park has a rectangular flowet bed that measures 10 feet by 15 feet. The caretaker plans on doubling its area by adding a strip of uniform width around the flower bed. Det

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: The local park has a rectangular flowet bed that measures 10 feet by 15 feet. The caretaker plans on doubling its area by adding a strip of uniform width around the flower bed. Det      Log On


   

Question 1186032: The local park has a rectangular flowet bed that measures 10 feet by 15 feet. The caretaker plans on doubling its area by adding a strip of uniform width around the flower bed. Determine the width of the strip.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
d, the width of the strip around the flower bed

%2810%2B2d%29%2815%2B2d%29=2%2A10%2A15
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2d%5E2%2B25d=150---------can you continue?