The answer would be $175
Multiply the most by the number of tickets
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.
7y - 3x = -5
-3x = -7y - 5
x = 7/3y + 5/3