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anonymous

  • one year ago

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  1. Vocaloid
    • one year ago
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    the equation is x/120 + x/40 = 1, where x is the number of minutes

  2. anonymous
    • one year ago
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    okay then do i just solve it?

  3. Vocaloid
    • one year ago
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    yeah. if you'd like to get a better understanding of where the numbers come from, you can read this http://algebralab.org/Word/Word.aspx?file=Algebra_WorkingTogether.xml

  4. Vocaloid
    • one year ago
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    anyway, back to our equation x/120 + x/40 = 1 do you know where to go from here?

  5. anonymous
    • one year ago
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    do you multiply everything by 120? to get rid of the fraction

  6. Vocaloid
    • one year ago
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    yup!

  7. anonymous
    • one year ago
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    x+3x=1?

  8. Vocaloid
    • one year ago
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    x + 3x is right check the right side again

  9. anonymous
    • one year ago
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    x+3x=120 4x=120 x=30 ?

  10. Vocaloid
    • one year ago
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    ah, whoops, I think I made a small mistake w/ the numbers > > should be x/120 + x/80 = 1 (since Tisha builds the box in 80 minutes, not 120)

  11. anonymous
    • one year ago
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    idk what to do now

  12. anonymous
    • one year ago
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    can u help me real fast im in school i have to go in a couple minutes

  13. anonymous
    • one year ago
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    can u just leave the steps for me to see?

  14. Vocaloid
    • one year ago
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    well, we can still multiply to get rid of the fraction x/120 + x/80 = 1 let's multiply by 240 instead of 120 2x + 3x = 240 5x = 240 x = 48 min

  15. anonymous
    • one year ago
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    k thanks

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