Answer:
160 mph
Step-by-step explanation:
Speed is the rate of change of distance with time. Mathematically,
Speed = Distance / time
Hence time
= Distance / Speed
Given that the speed of the car is 110 mph slower than that of a plane, let the speed of the car be y mph hence the speed of the plane
= (y + 110) mph
Since the time spent by the plane and the car in covering 480 miles and 150 miles respectively is the same,
480/ (y + 110) = 150 / y
480y = 150 y + 16500
330y = 16500
y = 50
The speed of the plane
= 50 + 110
= 160 mph
