Josephine is taking a college course, and her professor bases the course grade on the average of 2 tests taken in the semester.
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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.