There are ten members of the debate team: ann, bill, carla, don, ed, frank, gretchen, harry, isabel, and jen. if they randomly choose three co-leaders of the group, what is the probability that gretchen, don, and carla are chosen as the co-leaders?

1/120

Step-by-step explanation:

There are 10 members, and three are chose as co-leaders.  The number of possible combinations is:

₁₀C₃ = 120

One of those 120 combinations is Gretchen, Don, and Carla.  So the probability is 1/120, or approximately 0.83%.

4 adults and 12 babies

step-by-step explanation:

4 x 7 = 28

12 x 15 = 180

180 + 28 =208

4 x 3 = 12

seems like d

step-by-step explanation: