A car is traveling at a speed of 81 miles per hour. What is the car's speed in feet per second? How many feet will the car travel in 15 seconds? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers.
Accepted Solution
A:
1 mile = 5280 feet81 * 5280 = 427680 feet per hour 1 hour = 3600 seconds427680 / 3600 = 118.8 feet per second 118.8 * 15 = 1782 feet in 15 seconds