Question 351956
car has new 22" tires on it. 
If he's driving at a constant speed of 60 mph, how many rotations will each tire complete in 1 minute
:
Find the circumference of the tire
C = {{{pi*22}}} 
C = 69.115 inches
:
How many ft traveled in 1 min at 60 mph
{{{(60*5280)/60}}} = 5280 ft
:
Find no. of rpm
{{{5280/69.115}}} = 76.4 rpm