Question

if the original quantity is 15 and the new quantity is 24, what is the percent increase?

the percent increase is \square\\%.

Explanation:

Calculate the amount of increase

$$ \text{Increase} = 24 - 15 = 9 $$

Calculate the percent increase

$$ \text{Percent Increase} = \frac{\text{Increase}}{\text{Original Quantity}} \times 100\% = \frac{9}{15} \times 100\% = 0.6 \times 100\% = 60\% $$

Answer:

If the original quantity is 15 and the new quantity is 24, what is the percent increase?

The percent increase is <blank>60</blank>%.