The Percent Proportion & Percent of Change

Front

Discount is ____________ from the price.

Back

subtracted

Front

What is the percent decrease from a regular price of $65.50 to a sale price of $52.40?

Back

20%

Front

What is the percent increase when the number of people signed up for a bus trip increases from 32 to 45?

Back

41%

Front

What is 20% of 60? Determine if you are finding the part, percent, or whole.

Back

Part

Front

What percent of seats are empty if a movie theater has 250 seats and 225 seats were sold?

Back

10%

Front

Define percent proportion.

Back

A percent proportion is an equation that states that two ratios are equal, often used to find the part, whole, or percent.

Front

What is the formula for calculating percent of change?

Back

Percent of Change = (New Value - Old Value) / Old Value × 100%.

Front

If a shirt originally costs $40 and is now $30, what is the percent decrease?

Back

25%

Front

If a population increases from 200 to 250, what is the percent increase?

Back

25%

Front

What does it mean to find the 'whole' in a percent problem?

Back

The 'whole' is the total amount or the original value before any percent is applied.