Solve.
-An airplane travels 800 miles against the wind in 4 hours, and makes the return trip with the same wind in 2 hours. Find the rate of the wind.
A) 400 mph
B) 200 mph
C) 300 mph
D) 100 mph

Question

Quizplus · Accepted Answer

The speed of the airplane against the wind is 800 miles / 4 hours = 200 mph, and with the wind is 800 miles / 2 hours = 400 mph. The wind's rate is the difference between the two speeds divided by 2, so (400 mph - 200 mph) / 2 = 100 mph.

Solve. -An Airplane Travels 800 Miles Against the Wind in 4