Unit 11 GL Proportional Reasoning with Percents Review

Two years ago, a car was valued at $24,000. This year, the value of the car

is $23,160. What was the percent decrease in the value of the car?

• 8.4%

• 2.7%

• 3.5%

• 3.6%

Find the percent decrease from 50 to 22.

• 28%

• 54%

• 12.7%

• 56%

Patty buys a van for $15,625, the tax rate is 8.25%. What is the amount of sales tax Patty will pay?

The markup on a video game at an electronics store is 80%. The price before the mark up was $49.50. What is the price the video game will be listed for sale?

Carrie deposits $5,000 in a savings account earning 5.9% simple interest per year. How much interest will Carrie earn for a period of ten years.

Percent Change

• A percent change describing a decrease in a quantity

• A percent change describing an increase in a quantity

• The amount stated as a percent that a number increases or decreases

• Changing a decimal into a percent

Percent Decrease means...

• A percent change describing an increase in numbers

• The amount stated as a percent that a number increases or decreases

• A percent change describing an increase in a quantity

• A percent change describing a decrease in a quantity

  
  

Percent Increase means...

• The amount stated as a percent that a number increases or decreases

• A percent change describing an increase in a quantity

• Moving the decimal in a percent

• A percent change describing a decrease in a quantity

Mark Down means....

• The amount of decrease in a price

• The amount stated as a percent that a number increases or decreases

• The amount of increase in a price

• A percent change describing a decrease in a quantity

Mark Up means...

• The amount of decrease in a price

• A percent change describing an increase in a quantity

• A percent change describing a decrease in a quantity

• The amount of increase in a price