In this example and the last, why did the instructor multiply the cost of the coffee by 6 days? because you always multiply by 6 days because there are 6 days in a week because Christian brought coffee at that cost 6 days [or times] a week

To determine the correct reason for why the instructor multiplied the cost of the coffee by 6 days, let's analyze the options provided: 1. **Because you always multiply by 6 days**: This statement is too general and does not provide a specific context for the problem. 2. **Because there are 6 days in a week**: This is incorrect because a week typically has 7 days, not 6. 3. **Because Christian brought coffee at that cost 6 days a week**: This option suggests that Christian consistently bought coffee for 6 days, which would justify multiplying the cost by 6. Based on the context provided, the most logical answer is: **Because Christian brought coffee at that cost 6 days a week.** This indicates that the multiplication was done to calculate the total cost of coffee for the specific number of days Christian purchased it.