Question

Find the number of revolutions made by a wheel with a radius of 5 ft that traveled 633 ft. Use 3.14 for pi. Round your answer to the nearest tenth of a revolution.

A)40.3 revolutions

B)8.1 revolutions

C)19,876.2 revolutions

D)20.2 revolutions

Answer 1

The answer is 20.2 revolutions! The answer is D

Answer 2

d

Explanation:

1) convert ft to cm

5ft=152.4cm

633ft=19293.84cm

2) 2*3.14*152.4=975.072

3)19293.84/975.072 = 20.16rev