algebra

the speed of a passenger train is 6 mph faster than the speed of a freight train. The passenger train travels 330 miles in the same time it takes the freight train to travel 300 miles.Find the speed of each train.

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  1. speed of freigh --- x
    speed of passenger ---- x+6

    time for passenger to go 330 miles = 330/(x+6) hrs
    time for freight train to go 300 miles = 300/x hrs
    but the times are the same

    330/(x+6) = 300/x
    330x = 300x + 1800
    30x = 1800
    x = 60

    state the conclusion

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