what is the percent of decrease from 10 to 2? write your answer using a percent sign (%).
what is the percent of decrease from 10 to 2? write your answer using a percent sign (%).
Answer
Explanation:
Step1: Calculate the amount of decrease
The original value is 10 and the new value is 2. The amount of decrease is $10 - 2=8$.
Step2: Calculate the percent - of - decrease formula
The formula for percent of decrease is $\frac{\text{Amount of decrease}}{\text{Original amount}}\times100%$. Substitute the values: $\frac{8}{10}\times 100%$.
Step3: Simplify the expression
$\frac{8}{10}\times 100% = 80%$.
Answer:
80%