To find: The number of people waiting in line at 5 P.M.
Answer to Problem 25E
1000
Explanation of Solution
Given information:
The rate R people per hour joining the line for an amusement park is given in the graph. There are 500 people at noon, and the ride can take 1500 people per hour.
Calculation:
The number of people joined the line till 5 P.M. is the area under the given curve.
Area under the curve is the sum of area of the small rectangles and triangle which is 8000.
So, the number people joined the line till 5 P.M. is 8000.
Since there were 500 people at noon, the total number of people who joined the line is 8500.
In 5 hours, the ride took
So, the number of people waiting at 5 P.M. is
Conclusion:
The number of people waiting at 5 P.M. is 1000.
Chapter 7 Solutions
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