SOLUTION: Hector built a rectangular fish pond surrounded by a brick wall 3 m wide with an area of 132m squared. The pond is twice as long as it is wide. What are the dimensions of the pond.

Question 947597: Hector built a rectangular fish pond surrounded by a brick wall 3 m wide with an area of 132m squared. The pond is twice as long as it is wide. What are the dimensions of the pond.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The pond dimensions are w and L.
L=2w;
total area wall and pond:
area just of wall:

simplify wall area equation some:

----------something seems off here.

Simple equation in just w and L.
Substitute for the description of L:

and from described L, .
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