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Camille is attending a fundraiser. She pays for her admission and buys raffle tickets for $ 5 $5 each. If she buys 1 0 10 raffle tickets, then she would spend a total of $ 1 3 5 $135 at the fundraiser. The number S S of dollars Camille spends at the fundraiser is a function of r r, the number of raffle tickets she buys. Write the function's formula.

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hroscoe
The question is a little confusing, but I think the answer goes like this:
135 = admission + 5x, and if she bought 10 tickets:
135 = admission + 50, so admission must have cost her $85
The function would be f(x) = 85 + 5x, where x is equal to the number of raffle tickets purchased

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