If a tire rotates at 400 revolutions per minute when the car is traveling 96km/h, what is the circumference of the tire? Select the correct option
A) 2	B) 1	C) 4	D) 3	E) 5
400 rev / minute = 400 * 60 rev / 60 minutes   = 24,000 rev / hour   24,000 * 4 = 96,000 m : 4 is the circumference   4 = 4 meters   correct answer 4
<result>C</result>
If a tire rotates at 400 revolutions per minute when the car is traveling 96km/h, what is the circumference of the tire?