Sides of a rectangular park are in the ratio 2:5 and its area is 3750 sq m, the cost of fencing it at 50 ps per meter is?  Pick one: A) s . 122 B) s . 129 C) s . 125 D) s . 120 E) s . 130.64

Rationale: "2 x * 5 x = 3750 = > x = 19.36 2 ( 80.64 + 50 ) = 261.28 m 261.28 * 1 / 2 = rs . 130.64 answer : e"
Answer: E