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5 April, 21:42

A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets to the museum. Based on this information, how much is an adult ticket, and how much is a child ticket?

2a + 4c = 38.00

3a + 3c = 40.50

What values of a and c represent the solution to the system?

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  1. 5 April, 22:00
    0
    Divide the 1st equation by 2

    a + 2c = 19

    Divide the 2nd equation by 3

    a + c = 13.5

    Subtract the 1st equation and the 2nd equation

    c = 5.5

    Substituting back into the 2nd equation will give:

    a + 5.5 = 13.5

    a = 8
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