xcrysttallx
02.07.2019 •
Mathematics
The train from metropolis a to metropolis b takes 4 hours and 15 minutes. if the rail distance between metropolis a and metropolis b is 250 miles, how fast must the train average? mph
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Ответ:
4 hours and 15 minutes =4+15/60=4.25 hours
the average speed of the train = 250/4.25=58.82mph
Ответ: