You estimate that 200 people attended a school concert. The actual attendance was 240 people.
a. Find the percent error to the nearest tenth of a percent.
The percent error is about
%.
Question 2
b. What other estimate gives the same percent error? Explain your reasoning.
To get the same percent error, the amount of error needs to be . Because your estimate was people below the actual attendance, an estimate of the actual attendance will give the same percent error. Therefore, the other estimate that gives the same percent error is an estimate of people.