Solve the Problem $\$ 5$ Per Foot for Two Opposite Sides, And

question 197

Multiple Choice

Solve the problem.
-A rectangular field is to be enclosed on four sides with a fence. Fencing costs $\$ 5$ per foot for two opposite sides, and $\$ 7$ per foot for the other two sides. Find the dimensions of the field of area $870 \mathrm { ft } ^ { 2 }$ that would be the cheapest to enclose.

• A) \(24.9 \mathrm { ft } @ \$ 5\) by \(34.9 \mathrm { ft } @ \$ 7\)
• B) \(41.3 \mathrm { ft } @ \$ 5\) by \(21.1 \mathrm { ft } @ \$ 7\)
• C) \(34.9 \mathrm { ft } @ \$ 5\) by \(24.9 \mathrm { ft } @ \$ 7\)
• D) \(21.1 \mathrm { ft } @ \$ 5 \mathrm { by } 41.3 \mathrm { ft } @ \$ 7\)

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