The diameter of each wheel of a bicycle is 28 inches28 inches. if you are traveling at a speed of 15 miles per hour15 miles per hour on this bicycle, through how many revolutions per minute are the wheels turning
1 mile is 5280 feet, which is 63360 inches 15 miles is 63360*15=950400 inches 15 miles per hour=950400 inches/60 minutes = 15840 inches/minute next, find the perimeter of the wheel: C=π*D=28π
