Test of Essential Academic Skills (TEAS) ATI Mathematics Practice Test

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What is the approximate percent increase in the number of births in Daneville from 2000 to 2010, when the number rose from 1432 to 2219?

The correct answer is: 55%

To calculate the approximate percent increase in the number of births from 2000 to 2010 in Daneville, you need to follow the formula for percent increase, which is: \[ \text{Percent Increase} = \left( \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \right) \times 100 \] In this scenario, the old value (the number of births in 2000) is 1432, and the new value (the number of births in 2010) is 2219. First, you can find the difference between the new and old values: \[ \text{Difference} = 2219 - 1432 = 787 \] Next, substitute the values into the percent increase formula: \[ \text{Percent Increase} = \left( \frac{787}{1432} \right) \times 100 \] Calculating the fraction gives approximately 0.549, and when multiplied by 100, it results in about 54.9%, which can be rounded to 55%. This shows that the increase in the number of births in Daneville from 2000 to