SOLUTION: A truck with 54-in.-diameter wheels is traveling at 45 mi/h. How many revolutions per minute do the wheels make? PLEASE HELP ME!!!

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Question 1014151: A truck with 54-in.-diameter wheels is traveling at 45 mi/h.
How many revolutions per minute do the wheels make?
PLEASE HELP ME!!!

Found 2 solutions by Boreal, MathTherapy:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
54 inch diameter wheels are 54*pi inches in circumference or 54*pi/12 feet per revolution.
at 45 mph, the vehicle is moving at 66 feet per second or 3960 feet per minute.
3960 feet per minute/4.5*pi feet per revolution. Units are revolution per minute.
315.13 revs per minute.

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

A truck with 54-in.-diameter wheels is traveling at 45 mi/h.
How many revolutions per minute do the wheels make?
PLEASE HELP ME!!!
280.1126998 ≈ highlight_green%28280%29 revs per minute