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27 October, 12:09

The spring musical sold student tickets for $8 and adult tickets for $10. there were 130 tickets sold for a total of $1198. how many student tickets were sold?

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  1. 27 October, 14:16
    0
    X=number of student tickes

    y=number of adult tickets

    total cost=8x+10y=1198

    x+y=130

    multipy second eatuion by - 10 and add to first

    -10x-10y=-1300

    8x+10y=1198 +

    -2x+0y=-102

    -2x=-102

    divide both sides by - 2

    x=51

    51 student tickets sold
  2. 27 October, 15:43
    0
    Okay, so the equation can be written as:

    where x is number of student tickets, and y is adult tickets

    8x + 10y = 1198

    x + y = 130

    Lets solve for x,

    x = 130-y

    Put value of x in first equation:

    8 (130-y) + 10y = 1198

    1040 - 8y + 10y = 1198

    1040 + 2y = 1198

    2y = 158

    y = 79

    Since we have to find student tickets, we will write:

    x + 79 = 130

    x = 51

    So 51 student tickets were sold.
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