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Nezavi [6.7K]
3 years ago
10

one video rental club charges $25 to become a member and 2.50 to rent each video another charges no membership fee but charges $

3.25 to write each video how many videos must you run to make the first Club more economical
Mathematics
1 answer:
ladessa [460]3 years ago
8 0

The total charges for the first club as a function of the number of rentals (x) are

... f1 = 25 + 2.50x

The total charges for the second club are

... f2 = 3.25x

We want to find x so that f1 < f2.

... f1 < f2

... 25 + 2.50x < 3.25x

.. 25 < 0.75x . . . . . . . . . . subtract 2.50x

... 25/0.75 < x . . . . . . . . . divide by the coefficient of x

... 33 1/3 < x

You must rent 34 videos or more to make the first club more economical.

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