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29 April, 18:41

At a recreation and sports facility 3 members and 3 nonmembers pay a total of $180 to take a

aerobics class. A group of 5 members and 3 nonmembers pay $210 to take the same class

How much does it cost each member and nonmember to take an aerobios class?

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  1. 29 April, 18:53
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    members: $15

    nonmembers: $45

    Step-by-step explanation:

    x: members

    y: nonmembers

    3x + 3y = 180

    5x + 3y = 210

    Subtract equations to cancel out y values.

    -2x = - 30

    x = 15

    Substitute this x value into an equation.

    3x + 3y = 180

    3 (15) + 3y = 180

    3y = 135

    y = 45
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