The number of eggs Meg collected over the week were: Monday=8 eggs, Tuesday =5 eggs, Wednesday=6 eggs , Thursday=7 eggs, Friday=6 eggs, Saturday=5 eggs. By Sunday the weeks average was 6 eggs per day. How many eggs were collected on Sunday?

Answer 1

7 days @ 6 per day is 42 eggs for the week.

So, add up the rest and see how many were needed to get to 42.