SOLUTION: A long distance truck traveled 128 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double speed and took 4 hours less time. Find th
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Question 514251: A long distance truck traveled 128 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double speed and took 4 hours less time. Find the speed going. Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A long distance truck traveled 128 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double speed and took 4 hours less time. Find the speed going.
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let x=going speed in mph
2x=return speed in mph
Travel time=Distance/speed
going travel time-return travel time=4
128/x-128/2x=4
LCD: 2x
2*128-128=8x
8x=128
x=16 mph
ans:
going speed=16mph
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