SOLUTION: A truck completes a 10 mile trip in 20 minutes. If it does one half the distance at a speed of 20 miles per hour, then its speed for the remained of the distance must be....mph?
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Question 908669: A truck completes a 10 mile trip in 20 minutes. If it does one half the distance at a speed of 20 miles per hour, then its speed for the remained of the distance must be....mph?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x the speed for remaining distance
= 1/3hr |Multiplying thru by 60x so as all denominators = 1
15x + 300 = 20x
300 = 5x
60mph = x, the speed for remaining distance
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