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    piepan's Avatar
    piepan Posts: 1, Reputation: 1
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    #1

    Apr 15, 2013, 10:39 AM
    Rate & Distance
    Boat goes downstream 72miles in 3hrs & upstream 60miles in 6hrs, the rate of the river and the rate of the boat in still water respectively are??
    sleepingless's Avatar
    sleepingless Posts: 32, Reputation: -5
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    #2

    Apr 19, 2013, 02:56 PM
    River speed: The downstream leg equals 72/3 = 24 miles per hour
    Boat speed: The upstream leg equals 60/6 = 10 miles per hour
    Knowing the boat is traveling in 24mph water and moving upstream at 10mph the boat must be able to move 34mph in still water.
    Alty's Avatar
    Alty Posts: 28,317, Reputation: 5972
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    #3

    Apr 19, 2013, 03:04 PM
    You posted this in the homework section. Please read the rules about asking homework questions, posted here:

    Ask Me Help Desk - Announcements in Forum : Science

    sleepingless, you would do well to also read those rules. We do not answer homework questions on this site. The poster was given this homework for a reason. Unless you plan to take the test for him, giving him the answer is not helpful, and that's what we aspire to on this site, helping.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #4

    Apr 19, 2013, 08:18 PM
    Strange boat we have here, it can go faster in still water than it can down stream.

    I see someone getting an F on this question.
    InfoJunkie4Life's Avatar
    InfoJunkie4Life Posts: 1,409, Reputation: 81
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    #5

    Apr 20, 2013, 08:54 AM
    What is the rate that the boat goes down stream?
    What is the rate that the boat goes up stream?



    How can you calculate the rate of the boat and stream?



    Rate of the boat upstream + rate of the river = rate of the boat downstream - rate of the river

    Solve for rate of the river...
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