7.4(D) ratios, rates, and percents, % increase & decrease

• 12

• 30

• 45

• 27

• 480

• 720

• 40

• 60

The price of a video game was reduced from $60 to $45. By what percentage was the price of the video game reduced?

^{Hint set up a proportion: difference in price} /^{original price = x% / 100%}

^{cross multiply and divide}

• 15%

• 25%

• 75%

• 40%

• 18

• 70

• 8

• 23

Yvette uses 6 grams of tea leaves to make 24 fluid ounces of tea. Last week she made 288 fluid ounces of tea. How many grams of tea leaves did she make last week?

^{Hint set up a proportion grams / fluid ounces}

• 0.5 g

• 1152 g

• 72 g

• 2 g

• 
• 
• 
• 

The price of a television was reduced from $250 to $200. By what percentage was the price of the television reduced?

Hint set up a proportion:

difference in price / original price = x% / 100%

• 20%

• 25%

• 80%

• 50%

A company had 125 employees on February 1. Three months later, the company had 100 employees. What was the percent decrease in the number of employees at the company?

Hint set up a proportion:

difference in price / original price = x% / 100%

• 16%

• 10%

• 20%

• 50%

Summer bought $55.60 of clothes before sales tax. If sales tax is 7.5%, what did Summer spend with tax included?

^HINT:

^{First, find the amount of sales tax.}

^{Convert 7.5% to a decimal.}

^{Then, add the sales tax to the cost of the clothes.}

• $59.77

• $55.60

• $4.17

• $67.99

Amanda increased the amount of protein she eats from 50 grams to 55 grams. By what percentage did Amanda increase her protein?

Hint set up a proportion:

difference in price / original price = x% / 100%

• 10%

• 20%

• 5%

• 15%