SOLUTION: If the distance a train travels varies directly with the time the train travel,and if the train travels 51 miles in 45 minutes ,how far does the train travel in 2 hours

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Question 731136: If the distance a train travels varies directly with the time the train travel,and if the train travels 51 miles in 45 minutes ,how far does the train travel in 2 hours
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
r*3/4=51
r=51/3/4=51*4/3=68
2*68=136 miles in 2 hours