Use math-way it will give u all the answers u need
Answer: The waiting time will be 32 minutes when 240 people in line.
Step-by-step explanation:
Let us assume that the waiting time is directly proportional to the number of people in the queue.
Equation of direct proportion between variables x and y : 
Put
to find
.

Hence, the waiting time will be 32 minutes when 240 people in line.
0.00934579439 Now I'm just waiting until 20 charac- done
Solution: (3x + 4y - 3z) x (3x + 4y + 3z)