If a tire rotates at 400 revolutions per minute when the car is traveling 120km/h, what is the circumference of the tire? Choose the correct choice from the following answers
A) 2	B) 1	C) 4	D) 3	E) 5
400 rev / minute = 400 * 60 rev / 60 minutes   = 24,000 rev / hour   24,000 * C = 120,000 m : C is the circumference   C = 5 meters   correct answer 5
<result>E</result>
If a tire rotates at 400 revolutions per minute when the car is traveling 120km/h, what is the circumference of the tire?