Question

Find the number of rotations a vehicle whose wheels are 30 inches in diameter will make over a distance of 12 miles.

Answer 1

C={π} .D,D=30 and π=3.14

C=3.14.(30)

C=94.2 inches

How many inches in 1 mile  

1 mile =5280 feet  

1 foot = 12 inches

1 mile = 5280 ft  

1 mile = 63,360  inches  

12 mile = 63,360*12

=760,320/94.2

 

= 8,071.33/revolution