A wheel on an automobile has a radius of 19 in. How many feet does the auto travel when the wheel makes 13 revolutions?

A. 64.66 ft

B. 102.39 ft

C. 14,743.49 ft

D. 129.33 ft

E. 1551.95 ft

Question

A wheel on an automobile has a radius of 19 in. How many feet does the auto travel when the wheel makes 13 revolutions?

A. 64.66 ft	

B. 102.39 ft	

C. 14,743.49 ft	

D. 129.33 ft	

E. 1551.95 ft

anonymous · Answer

$$Distance =Circumference \times Number \space of\space Revolutions$$

anonymous · Answer

do you understand what is meant by one revolution?

anonymous · Answer

no

anonymous · Answer

answer is E 1551.95

anonymous · Answer

one revolution is equivalent to the perimeter of the wheel i.e. the circumference, 
and circumference is given by?

anonymous · Answer

distance covered= no. of revolutionsx circumference of wheel
= 2pi.rxn

anonymous · Answer

2x3.14x19x13=1551.95