AMC 10 2000 Problem 22

One morning each member of Angela’s family drank an 8-ounce mixture of coffee with milk. The amounts of coffee and milk varied from cup to cup, but were never zero. Angela drank a quarter of the total amount of milk and a sixth of the total amount of coffee. How many people are in the family?

Answer Choices
A. 3
B. 4
C. 5
D. 6
E. 7