Answer: If he has 6 sodas and 4 different cup sizes, let us say Extra Large, Large, Medium and Small, he would have: COLA- 4 choices; ROOT BEER- 4 choices; ORANGE 4 choices; BLACK CHERRY- 4 choices; GIGERALE- 4 choices; CREAMSODA- 4 choices, or 6 x 4= 24 different choices
Explanation: