Rebecca wants to split a collection of eggs into groups of 2. Rebecca has 42 eggs 30 bananas and 2 marbles. How many groups will be created?
1. Rebecca wants to split a collection of eggs into groups of 2. 
2. She has 42 eggs, 30 bananas, and 2 marbles. 
3. She will create 21 groups of 2 eggs each. 
4. She will have 2 eggs left over. 
5. She will put 1 egg with each group of 2 bananas. 
6. She will have 14 groups of 2 bananas and 1 egg each. 
7. She will have 2 bananas left over. 
8. She will put 1 marble with each group of 2 bananas and 1 egg. 
9. She will have 7 groups of 2 bananas, 1 egg, and 1 marble each.