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    toolfanslipknot's Avatar
    toolfanslipknot Posts: 3, Reputation: 1
    New Member
     
    #1

    May 21, 2008, 12:30 AM
    Mom Freaking out.
    Hey All...
    My son will not graduate from middle school if I can't help him, and I mean NOW...
    Here's the problem:
    3x/10=3/5

    Am I right when I think you go like this: 5(3x)=10(3)
    so, then its: 15x=30
    and then: x=2??
    Even if this is right, he is supposed to do a CHECK on each problem, and it loses me
    there... Can't for the love of God figure out how they do CHECKS... boy, do I not like
    this homework... IT SUX... : ( HELP ME OUT HERE? PLEASE PEOPLE! I'm ready to
    let him just stay back a year because I'm tired of trying to figure this out... WATCH, this is
    what I think you should do, but it never comes out right... :
    3(2)/10=3/5
    6/10=3/5
    SEE?? That doesn't come out the same... what the heck are you supposed to do?
    Snowbunny23's Avatar
    Snowbunny23 Posts: 2, Reputation: 2
    New Member
     
    #2

    May 21, 2008, 12:47 AM
    They do checks by taking the answer you got, 2, and reinserting it into the original problem. So you'd have 5(3(2))=10(3) and therefore

    5(6) = 10(3)
    30 = 30
    Answer checked.

    I really hope this helps you and hasn't come too late. Good luck.
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
     
    #3

    May 21, 2008, 04:42 AM
    6/10 is the same as 3/5. It's called reducing the fraction.

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