SOLUTION: A rectangular flower bed with the width 12 ft. and length 15 ft. is going to have a walkway of uniform width on all sides. If area of the walkway is 90 sq. ft., how wide is the wal

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: A rectangular flower bed with the width 12 ft. and length 15 ft. is going to have a walkway of uniform width on all sides. If area of the walkway is 90 sq. ft., how wide is the wal      Log On


   



Question 284247: A rectangular flower bed with the width 12 ft. and length 15 ft. is going to have a walkway of uniform width on all sides. If area of the walkway is 90 sq. ft., how wide is the walkway?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Here is the equation you need:
(2x + 12)(2x + 15) = 90
I'm sure you can finish now.