SOLUTION: A flatbed truck travels 144 miles in 5 hours. A semi-trailer truck travels 327 miles in 4 hours. A tanker truck travels 589 miles in 15 hours. Which truck has the fastest average s

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Question 944270: A flatbed truck travels 144 miles in 5 hours. A semi-trailer truck travels 327 miles in 4 hours. A tanker truck travels 589 miles in 15 hours. Which truck has the fastest average speed?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Ratio into PER HOUR, for each.
RATE+=+MILES%2FHOUR