Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $5 per foot for the other two sides. Find the dimensions of the field of area 750 ft2 that would be the cheapest to enclose.
A. 34.2 ft @ $4 by 21.9 ft @ $5
B. 24.5 ft @ $4 by 30.6 ft @ $5
C. 30.6 ft @ $4 by 24.5 ft @ $5
D. 21.9 ft @ $4 by 34.2 ft @ $5
Answer: C
Mathematics
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