Ratio and Proportion

What is the definition of a ratio?

• A comparison of two numbers by multiplication.

• A comparison of two numbers by addition.

• A comparison of two numbers by subtraction.

• A comparison of two numbers by division.

Simplify the ratio 6:9.

• 1:2

• 4:5

• 3:2

• 2:3

If 5 pencils cost $2.50, what is the cost of 8 pencils?

• $3.00

• $4.00

• $5.00

• $6.00

If 4 mangoes cost $6, what is the cost of 7 mangoes?

• $10.50

• $5.00

• $8.50

• $12.00

If 3 workers can build a wall in 8 days, how many days will it take 6 workers to build the same wall?

• 4 days

• 2 days

• 16 days

• 12 days

If 2 liters of juice can fill 5 bottles, how many liters of juice are needed to fill 12 bottles?

• 2.4 liters

• 4.8 liters

• 3.2 liters

• 6 liters

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

• 1:4

• 2:3

• 3:2

• 5:2

If a car travels 240 miles in 4 hours, what is its average speed in miles per hour?

• 120

• 60

• 30

• 90

If a map has a scale of 1 inch to 5 miles, and two cities are 3.5 inches apart on the map, what is the actual distance between the cities?

• 17.5 miles

• 3.5 miles

• 25 miles

• 10 miles

If a recipe makes 24 cookies and calls for 2 cups of sugar, how many cups of sugar are needed to make 36 cookies?

• 3 cups

• 1.5 cups

• 2.5 cups

• 4 cups