
Concept explainers
To calculate: To find the percent of change in the number of students in the biology class.

Answer to Problem 41SR
The percent change in the number of students in the biology class is
Explanation of Solution
Given information: A biology class had
Formula Used:
Formula for the percent of change is given as
Calculation:
Given that biology class had
Thus, percent change in the number of students in the biology class is calculated as
On solving,
Conclusion:
Hence, percent change in the number of students in the biology class is
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