Ratios
Relative Difference
Two Way Table
Percent Change
CPI Ratios
100

There are 6 girls and 8 boys. What is the ratio of girls to boys? Write it 3 different ways.

6/8, 3/4, 0.75, 75%

100

What is the absolute difference if gas prices raise from $4.21 to $4.38?

$0.17 or 17 cents

100

On table 2, what percent of people like both snowboards and skateboards?

22%

100

If a coat at Macy's is 35% off. What percent of the price will you pay for it? This is called the sale price.

65%

100

To fill up your car in 2007, it cost you $40. How much does that cost in 2020 dollars?

$49.94

200

Write 10 limes to 6 lemons as a ratio in 3 ways.

5/3, 10/6, about 1.67

200

What is the relative difference if gas prices raise from $4.21 to $4.38? Round to a whole percent.

4%

200

On table 1, what percent of people are chemical engineers whose favorite subject is math? Round to the nearest tenth of a percent.

15.5%

200

A car is being sold with a 10% discount. What is the percent you will pay on the sale price?

90%

200

In 2009, the federal minimum wage became $7.25 and it has not changed since. If this was adjusted for inflation, what would it have been in 2020? Round to the nearest cent.

$8.75

300

What is the ratio of Republicans to Democrats in the House of Representatives? Round to the nearest hundredth.

R: 220 D: 212

about 1.04

300

What is the relative difference if house price drops from$450,000 to $440,000? Round to the nearest tenth of a percent.

2.2%

300

On table 2, what percent of those who like skateboards do not like snowboards? Round to the nearest percent.

61%

300

An $4000 investment earns 4% annually, how much will be in the account after two years?

$4326.40

300

You needed $38,000 to maintain a particular standard of living in 1981. How much would you need to maintain that same standard of living in 2014? Round to the nearest dollar.

$98,950

400

What is the ratio of the population of City A to City B? Round to the nearest tenth.

City A: 3.14 million

City B: 2.6 million

about 1.2

400

What is the relative difference if City A has a population of 5.4 million and City B has a population of 4.86 million? Use City B as the reference value. Round to the nearest tenth of a percent.

11.1%

400

On table 1, what percent of electrical engineers like science the most? Round to the nearest percent.

51%

400

A car depreciates 8% each year. If you bought it for $13,000, how much will it be worth in 5 years?

$8,568.06

400

You needed $64,000 to maintain a particular standard of living in 1995. How much would you need to maintain that same standard of living in 1985? Round to the nearest hundredth.

$45,186.35

500

What is the ratio of Country A to Country B? Round to the nearest hundredth.

Country A: 2.1 billion

Country B: 173 million

12.14

500

What is the relative difference if Country A has a population of 2.4 billion and Country B has a population of 986 million? Use Country B as the reference value. Round to the nearest tenth of a percent.

143.4%

500

On table 1, what percent of the people who like math are electrical or mechanical engineers? Round to the nearest thousandth of a percent.

68.504%

500

If a iPhone is on sale for 15% off and you have a coupon for an additional 40% off of the sale price. What percent discount will you receive in total?

49% off

500

In 2020, Elon Musk's net worth increase from $30 billion to $167 billion. How much would this same increase have been if it happened in 2000? Round to the nearest hundredth of a billion.

91.16 billion