Question 615181
An automobile travels the 150-mile distance between two towns in 2 1/2 hours. An airplane travels 4 times as fast as the auto. What is the speed of the airplane in miles per hour?
:
Find the speed of the car: s = dist/time
s = {{{150/2.5}}}
s = 60 mph
:
"An airplane travels 4 times as fast as the auto. "
Find the speed of the plane
4 * 60 = 240 mph