math

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beth has a box of shirts.one half of the shirts are small,2/5 of the shirts are meduim,and 5 shirts are large.how many shirts are in the box?

  • math -

    Fraction of large shirts
    = 1 - 1/2 - 2/5
    = (10-5-4)/10
    = 1/10
    Proportions:
    1/10 : 5
    1 : x

    Cross multiply to get
    Number of large shirts, x
    = 1*5/(1/10)
    = 50

  • math - typo -

    Cross multiply to get
    Total number of shirts, x
    = 1*5/(1/10)
    = 50

  • math -

    Lisa. Has 8 shirts. One-fourth are dress shirts. One-half are school shirts. How many are dress shirts? How many shirts are school shirts?

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