A tire on Sal's car makes 13 revolutions per second while traveling down the freeway. Sal's tires are 2 ft in diameter, and there are 5,280 feet in 1 mile. How far does Sal drive in 1 hour? Round the answer to the nearest mile.

A. 28 miles

B. 56 miles

C. 60 miles

D. 111 miles

Question

Litzy

Mathematics

20 December, 15:02

A tire on Sal's car makes 13 revolutions per second while traveling down the freeway. Sal's tires are 2 ft in diameter, and there are 5,280 feet in 1 mile. How far does Sal drive in 1 hour? Round the answer to the nearest mile.

A. 28 miles

B. 56 miles

C. 60 miles

D. 111 miles

+2

Answers (1)

Know the Answer?

Elise Mcdaniel · Answer 1

A single revolution is equal to the circumference of the tire which is equal to:

C=2pr and r here is just 1 so C=2p ...

(13rev/s) (2pft/rev) (3600s/hr) (mi/5280ft) = 55.69mi which is

56mi (rounded to nearest mile)

A tire on Sal's car makes 13 revolutions per second while traveling down the freeway. Sal's tires are 2 ft in diameter, and there are 5,280 feet in 1 mile. How far does Sal drive in 1 hour? Round the answer to the nearest mile.A. 28 milesB. 56 milesC. 60 milesD. 111 miles

A tire on Sal's car makes 13 revolutions per second while traveling down the freeway. Sal's tires are 2 ft in diameter, and there are 5,280 feet in 1 mile. How far does Sal drive in 1 hour? Round the answer to the nearest mile.

A. 28 miles

B. 56 miles

C. 60 miles

D. 111 miles