Answer:
6
Step-by-step explanation:
I think you mean 2x=12. Divide 2 on both sides to get x=6
Answer: Our required probability is 0.11.
Step-by-step explanation:
Since we have given that
Number of workers in first shift = 21
Number of workers in second shift = 15
Number of workers in third shift = 13
We need to find the probability of choosing exactly two second shift workers and two third shift workers.
So, it becomes,

Hence, our required probability is 0.11.
Answer:The cost for zachs lunch is 12$, and the cost for brins is 8$
Step-by-step explanation: