SOLUTION: the length of a rectangular swimming pool is 4 ft. more than twice the width. If perimeter is 128 Ft., find width I put 2w+4 =128 then tried w(2w+4)=128, they aren't working...

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Question 448764: the length of a rectangular swimming pool is 4 ft. more than twice the width. If perimeter is 128 Ft., find width
I put 2w+4 =128 then tried w(2w+4)=128, they aren't working...
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
The *perimeter* is 128, not the area as you did in the second equation. If the width is w, then the length is 2w + 4, and

2(w + (2w+4)) = 128

w + (2w+4) = 64

3w + 4 = 64

3w = 60 --> w = 20