Solve.
-An airplane travels 800 miles against the wind in 5 hours, and makes the return trip with the same wind in 1 hours. Find the rate of the wind.
A) 480 mph
B) 320 mph
C) 160 mph
D) 800 mph
Correct Answer:
Verified
Q80: Solve the problem using the elimination method.
-A
Q81: Solve.
-x + 5y + 2z = 1
Q82: Solve.
-Jill is 10.5 kilometers away from Joe.
Q83: Solve.
-4x + 4y + z = 15
Q84: Solve.
-x + y + z = 7
Q86: Solve.
-A cruise boat travels 96 miles downstream
Q87: Solve.
-The speed of a stream is 4
Q88: Solve.
-5x + 2y + z = -11
Q89: Solve.
-x + y + z = -5
Q90: Solve.
-Candy and Delvis are riding bicycles in
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