Question 463028
A loaded moving truck is traveling 15 mph faster than a freight train. In the time it takes the train to travel 135 miles, the truck travels 180 miles. Find the speed of the truck.
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let x=speed of truck
x-15 speed of freight train
time of travel=distance/speed
180/x=135/(x-15)
180x-2700=135x
45x=2700
x=60
ans:
speed of truck=60 mph