Question

what is the percent of decrease from 10 to 5? write your answer using a percent sign (%).

Explanation:

Step1: Find the amount of decrease

The original value is 10, the new value is 5. The decrease amount is $10 - 5 = 5$.

Step2: Calculate the percent decrease

The formula for percent decrease is $\frac{\text{Decrease Amount}}{\text{Original Value}} \times 100\%$. Substitute the values: $\frac{5}{10} \times 100\% = 50\%$.

Answer:

50%