Help me pls, i’ll mark brain list.
1 answer:
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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:
Cost of the mug:
The cost of the mug is found when no refills are bought, that is, C when , which is
The cost of the mug is of $6.50.