Answer:
1386 possible combinations
Explanation:
A sushi restaurant makes 12 types of sushi rolls each day. They also offer 7 sashimi plates. A popular combination platter at the restaurant allows the customer to choose 2 different types of rolls and 2 different types of sashimi plates. What is the number of possible combination that can be made.
12 types sushi roll - can choose 2
7 types of sashimi - can choose 2
2 different types of rolls and 2 different types of sashimi
C₁₂,₂ * C₇,₂ = 66*21 = 1386