Answer:
60 people
Step-by-step explanation: Multiply 20 by 3 and you will get 60, which is the total combonation of people.
B is the answer to your question
Answer:
expected profit=$-3
Step-by-step explanation:
1 tail=-5
1 head=3
3/2=1.5
1.5*3=4.5
1.5*-5=-7.5
4.5-7.5=-3
$-3
