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2 December, 00:48

The total cost C (in dollars) to participate in a ski club is given by the literal equation C=85x+60, where x is the number of ski trips you take.

a. Solve the equation for x.

b. How many ski trips do you take if you spend a total of $315? $485?

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  1. 2 December, 01:13
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    A)

    C=85x+60

    C-60=85x

    (C-60) / 85=x

    b)

    C=$315:

    (315-60) / 85=

    255/85=3 trips

    C=$485:

    (485-60) / 85=

    425/85=5 trips
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