1. There are 22 students in a class. There are 12 girls in the class. What is the ratio of the number of boys to the number of girls in the class?
A. 10 to 12
B. 10 to 22
C. 12 to 10
D. 22 to 12
2. Al, Bev, and Carmen are going on a ride at the park. Only 2 people can go on the ride at a time. They can pair up 3 different ways, as shown below.
Al and Bev, Al and Carmen, Bev and Carmen
Derek decides to join the group. How many different ways can the 4 students pair up?
2. Six different ways
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