math word problems

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Sally and marta had the same number of postcards. After sally sold 18 of her postcards, marta had 4 times as many postcards as sally. How many postcards did each girl have to begin with?

  • math word problems -

    s = m
    (s-18)*4 = m

    4s-72 = s
    3s = 72
    s = 24

    they both started with 24
    sally sold 18, leaving her with 6. marta then had 4 times that.

  • math word problems -

    a box of chalk and 2 staplers cost ten dollars. three boxes of chalk and two staplers cost eighteen dollars. find the total of one box of chalk and one stappler

  • math word problems -

    $7

  • math word problems -

    18+6=24

    24-18=6

    6x4=24

    They both started off with 24 cards

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