At a coffee shop you can buy coffee in a paper cup for $1.50 or in a refillable ceramic mug for $6. Refills of the ceramic mug are $1. How
many refills do you need to buy to make buying the mug a better value
then buying individual paper cups of coffee? *

Given :

Coffee cost in a paper cup , $1.50 .

Coffee cost in a cremic mug , $6 .

Refills of the ceramic mug are $1 .

To Find :

How  many refills do you need to buy to make buying the mug a better value

then buying individual paper cups of coffee.

Solution :

Let , number of fills to make mug better option is x .

So , money spend in mug in greater than paper cup .

Therefore , after 12 cups of coffee, ceramic mug will have better value than paper cups .

Hence , this is the required solution .

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step-by-step explanation: