Matthew gave equal numbers of crackers and cakes to his 31 friends. If he had 37 crackers and 31 cakes initially How many cakes did each person eat?
1. Matthew gave away all 37 crackers and all 31 cakes. 
2. He gave away the same number of each. 
3. He gave away a total of 68 things. 
4. Each person got 1/31 of what he had. 
5. Therefore, each person got 68/31 = 2 crackers and 2 cakes.