Proportion Word Problems

The ratio of [boys to girls] in class is [3 to 4]. There are 16 girls in the class. How many total students are there?

• 12

• 7

• 16

• 28

The ratio of [yellow marbles to green marbles] is [2 to 7]. If there are 42 green marbles, how many yellow marbles are there?

• 54

• 9

• 12

• 30

At school, [13 out of 20 students] ate in the cafeteria today. Based on this information, if there were 600 students at lunch, how many would you expect to have eaten in the cafeteria?

• 39

• 390

• 60

• 400

Tags

CCSS.6.RP.A.3B

[Five out of six students] said red when they were asked to name their favorite color. Based on this information, how many students would say red if 120 were asked?

• 100

• 220

• 11

• 56

Tags

CCSS.6.RP.A.3B

The ratio of [red marbles to blue marbles] is [7 to 8]. There are 56 red marbles. How many BLUE marbles are there?

• 15

• 56

• 49

• 64

The ratio of [red marbles to blue marbles] is [7 to 8]. There are 56 blue marbles. How many RED marbles are there?

• 15

• 56

• 49

• 64

The ratio of [girls to boys] at the dance is [6 to 5]. There are 30 boys. How many total students are there at the dance?

• 55

• 66

• 36

• 25

The ratio of [boys to girls] in PE class is [2 to 3]. There are 18 boys in class. What is the total number of students in the class?

• 27

• 12

• 45

• 30

The ratio of [blue marbles to green marbles] is [3 to 5]. There are 15 green marbles. How many total marbles are there?

• 9

• 24

• 40

• 8

The ratio of [red marbles to yellow marbles] is [3 to 5]. If there are 33 red marbles, how many total marbles are there?

• 55

• 8

• 88

• 22