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Below Is a Graph of the Rate R in Arrivals

Question 63

Multiple Choice

Below is a graph of the rate r in arrivals per minute at which students line up for breakfast. The first people arrive at 6:50 am and the line opens at 7:00 am. The line serves students at a constant rate of 20 students per minute. Estimate the time at which the line disappears. Below is a graph of the rate r in arrivals per minute at which students line up for breakfast. The first people arrive at 6:50 am and the line opens at 7:00 am. The line serves students at a constant rate of 20 students per minute. Estimate the time at which the line disappears.   A) 7:10 am or earlier B) 7:20 am C) 7:30 am D) 7:40 am or later


A) 7:10 am or earlier
B) 7:20 am
C) 7:30 am
D) 7:40 am or later

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