The diameter of a garden roller is 1.4 m and it is 3 m long. How much area will it cover in 5 revolutions ? (use Ï€ = 22â„7)	Pick one
A) 60 m 2	B) 64 m 2	C) 68 m 2	D) 66 m 2	E) none of these

Rationale: "required area covered in 5 revolutions = 5 ã — 2 ï € rh = 5 ã — 2 ã — 22 â  „ 7 ã — 0.7 ã — 3 = 66 m 2 answer d"
Answer: D