Ratio Type

Which of the following is an example of a part-to-part ratio?

• The ratio of red marbles to total marbles in a bag.

• The ratio of boys to girls in a class.

• The ratio of hours spent sleeping to total hours in a day.

• The ratio of water to concentrate in a juice mix.

What is a part-to-whole ratio?

• A comparison of one part of a group to another part of the same group.

• A comparison of one part of a group to the entire group.

• A comparison of two different groups.

• A comparison of the amount of an object to the amount of another object.

If there are 5 red balls and 15 blue balls in a bag, what is the part-to-part ratio of red balls to blue balls?

In a survey, 8 out of 24 students said their favorite subject is Mathematics. What is the part-to-whole ratio of students who favor Mathematics?

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18

• 3:2

• 30:18

• 18:7

If there are 4 boys for every 5 girls in a class, what is the part-to-part ratio of boys to girls?

A recipe calls for 2 cups of flour for every 3 cups of sugar. What is the part-to-part ratio of flour to sugar?

• 4:3

• 3:1

• 3:2

• 3:4

What is the ratio of A:B:C?

• 3:4:5

• 2:3:4

• 1:2:3

• 2:3:5

What is the ratio of A:B:C?

• 2:3:5

• 1:3:4

• 2:8:9

• 3:5:7