Math

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A department store sold 63 shirts one day. All short-sleeved shirts cost $15.00 each and all long-sleeved shirts cost $22.00 each. Total receipts for the day were $1,134.00 . How many of each kind of shirt were sold?

  • Math -

    number of short-sleeved shirts --- x
    number of long-sleeved shirts --- 63-x

    15x +22(63-x) = 1134
    15x + 1386 - 22x = 1134
    -7x = -252
    x = 36

    so 36 short-sleeved and 27 longsleeved shirts

  • Math -

    Short shirt x
    Long shirt y

    x + y = 63
    15x + 22y = 1134

    substitute x = 63-y

    15(63-y) + 22y = 1134
    945 -15y + 22y = 1134
    7y = 189

    y =27
    x = 36

    short-sleeved shirts : 27
    Long-sleeved shirts: 36

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