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Ivahew [28]
3 years ago
11

A convenience store sells a coffee mug that comes

Mathematics
1 answer:
madreJ [45]3 years ago
7 0

Answer:

The cost of the mug is of $6.50.

Step-by-step explanation:

The cost of the mug and r refills is given by the following equation:

C(r) = 2.3r + 6.5

Cost of the mug:

The cost of the mug is found when no refills are bought, that is, C when r = 0, which is C(0)

C(0) = 2.3*0 + 6.5 = 6.5

The cost of the mug is of $6.50.

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