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27 December, 17:48

The total cost (C) in dollars of renting a car for N days is given by the function C (n) = 40n + 50. If the total cost was $410.00, for how many days was the car rented: 9 12 10?

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  1. 27 December, 20:40
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    We need to make the equation equal to the total cost.

    40n+50=410; We need n by itself. Let's start by subtracting 50 from both sides. 40n=360; let's divide each side by 40. N=9

    The car was rented for 9 days.
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