The area of the triangular swimming pool shown in the illustration is doubled by adding a rectangular wading pool. Find the width of the pool (x).
(The area of a triangle = 
, and the area of a rectangle = lw).
?
?
?
A. 15 feet
B. 24 feet
C. 12 feet
D. 11 feet
E. 13 feet
Answer: C
Mathematics
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