Mathematics, 12.07.2019 16:30 weeblordd
Atruck travels for 4 hours at an average speed of 42 miles per hour. how much longer must the truck travel at an average speed of 55 miles per hours so that the average speed for the total trip will be 50 miles per hour?
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Atruck travels for 4 hours at an average speed of 42 miles per hour. how much longer must the truck...
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