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11 December, 08:32

At the movie theater the blaine family spent $22.00 for twoadult tickets and three child tickets. the hooper family spent $18.50 for one adult ticket and four child tickets. how much did the hu family spend for three adult tickets and one child ticket?

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  1. 11 December, 09:00
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    2a+3c=22.00 ... equation 1

    a+4c=18.50 = >2a+8c=37.00 ... equation 2

    subtract equation one from equation two:

    5c=37-22=15

    c=3

    a+4*3=18.50 = >a=6.50

    for the Hu family: 3*6.50+1*3.00=22.50 dollars
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