Proportion Word Problems

1) The ratio of students to chaperones on the 7th grade field trip is 22:5. If 25 chaperones go on the field trip, which proportion will correctly find the number of students going the field trip?

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2) A photographer has rectangular-shaped photographs with a ratio length to width of 9 inches to 6 inches. Which ratio could NOT represent the size of the photographs?

• 27 in. by 18 in.

• 54 in. by 36 in.

• 36 in. by 24 in.

• 45 in. by 28 in.

3) At the Rustburg sports banquet, the ratio of football players to baseball players was 7 to 3. If there were 15 baseball players at the banquet, which proportion will correctly find out how many football players were at the banquet?

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4) The ratio of technology enhanced questions to multiple choice questions on the math standards of learning test is 1:3. Which ratio correctly identifies the possible number of technology enhanced questions to multiple choice questions?

• 10 to 50

• 14 to 46

• 15 to 45

• 18 to 42

5) Martha has a ratio of 5 pencils to 3 pens in her book bag. If Martha has a total of 32 pencils and pens, which ratio correctly identifies the number of pencils to pens?

• 18:14

• 20:12

• 22:10

• 24:8

6) The ratio of boys to girls on the track and field team is 7 to 3. Which could be a combination of boys to girls that is on the track and field team?

• 14 to 20

• 10 to 3

• 21 to 9

• 10 to 7

7) Sam can type 20 words in 40 seconds. At that rate, how many words can he type in 180 seconds?

• 90 words

• 96 words

• 100 words

• 360 words

8) Mrs. Smith knows 5 pounds of turkey breast will feed 8 people. If she plans to feed 20 people, how many pounds of turkey breast will Mrs. Smith need?

• 7.5 lbs.

• 12.5 lbs.

• 17 lbs.

• 32 lbs.

9) In a survey of 80 students, 3 out of every 5 said their favorite subject was math. Which would correctly solve for the number of students that said their favorite subject was math?

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10) Freddie was making a scale model of his dad's airplane that is 36 feet long and 14 feet wide. If Freddie makes the airplane 9 inches long, how wide must Freddie's model airplane be to maintain proportionality?

• 2.5 inches

• 3.5 inches

• 4.5 inches

• 5 inches