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14 March, 03:09

Monica's school band held a car wash to raise money for a trip to a parade in New York City. After washing 125 cars, they made $775 from a combination of $5.00 quick washes and $8.00 premium washes. Let x represent the number of quick washes and let y represent the number of premium washes. Which system of linear equations represents the situation? 5x + 8y = 775 and x + y = 125 5x - 8y = 125 and x + y = 775 5x + 8y = 775 and x - y = 125 5x - 8y = 125 and x - y = 775

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  1. 14 March, 03:21
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    So the total they made was $775.

    This can also be written as:

    5x + 8y = 775

    Also to determine the number of cars they washed with each type of service:

    x + y = 125

    So, the first system of equations is correct.
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