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    CeCe2014's Avatar
    CeCe2014 Posts: 2, Reputation: 1
    New Member
     
    #1

    Feb 4, 2016, 02:20 PM
    Word Problem
    A boat travels downstream 140 miles and back at its maximum speed. It takes 5 hours to get downstream and 7 hours to get back. Use a system to find the speed of the current.
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
     
    #2

    Feb 4, 2016, 02:28 PM
    What do YOU think ?
    While we're happy to HELP we wont do all the work for you.
    Show us what you have done and where you are having problems..
    CeCe2014's Avatar
    CeCe2014 Posts: 2, Reputation: 1
    New Member
     
    #3

    Feb 4, 2016, 02:42 PM
    5d+7g=140
    d+g=current
    28+20=40
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
     
    #4

    Feb 5, 2016, 02:52 PM
    Quote Originally Posted by CeCe2014 View Post
    5d+7g=140
    d+g=current
    28+20=40
    Must be modern math-28 + 20=40??

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