If the diameter is 30 inches then the circumference is
inches.
How many of these in a mile?
The question is: How many revolutions will a car wheel of diameter 30 in. make as the car travels a distance of one mile?
I'm stumped on this one. I've tried plugging in what I have into a few different equations, but it doesn't seem like I have enough information to solve it. Thanks very much for the help.