math 8th grade

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find 72% of 200 and i need to show work

  • math 8th grade -

    Create two fractions. 72/100 = ?/200 Then, cross multiply, which is multiplying 200 by 72, then dividing by 100. Then, you'll get your answer.

  • math 8th grade -

    72/100=x/200
    **cross mulitply:
    100x=72*200
    100x=14400
    x=14400/100
    x=144


    ______
    Or just multiply .72 by 200
    .72*200=144

  • math 8th grade -

    144

  • math 8th grade -

    find a tenth of three-quarters of $800

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