Question

How many calendars did the 1st and 2nd period classes sell on average per week?

Answer 1

About 27 calendars per week

Explanation:

I divided 60 by 7 because there are 7 days in and week and got 8.5 which I round up by 9. I did the same with 123 and got 17.5 which I round up to 18. By adding them together, they sell 27 averagely per week.