Question

Mark can travel 42 meters in one second. There are 1609.34 meters in 1 mile, how many miles can mark travel in one hour? Round your answer to the nearest hundredth.

Answer 1

Mark can travel 93.97 miles in 1 hour

Explanation:

Mark's rate of travel is 42 m / sec. We want the same quantity in mi / hr.

Multiply 42 m / sec by the conversion factor

1 mile

----------------

1609.34 m

obtaining the following result in miles / sec:

42 m 1 mile

---------- * ------------------ = 0.0261 mi/sec

sec 1609.34 m

Finanally, multiply the above result by the conversion factor 3600 sec / 1 hr:

(0.0261 mi/sec)(3600 sec / hr) = 93.97 miles

Mark can travel 93.97 miles in 1 hour

Answer 2

Explanation:

miles = 42 m / sec * 3600 sec / 1 hour * 1 mile / 1609.34 meters

miles = (42 * 3600 * 1 ) / (1 * 1609.34)

miles = 151200 / 1609.34

miles = 93.95