$$\frac{6}{4}$$ \text{ or } 3:2$

$$\frac{8}{18}$$ \text{ or } 4:9$

$$\frac{600}{5}$$ \text{ or } 120:1

Question 1

Given the images above, what is the ratio of flowers to bees?

Accepted Answer

$$\frac{6}{4}$$ 	ext{ or } 3:2$

Question 2

Given the images above, what is the ratio of footballs to basketballs?

Accepted Answer

$\frac{7}{8}$$

Question 3

If a recipe calls for 8 feet of ribbon for every 6 yards, what is the ratio of feet to yards? (Convert yards to feet before writing the ratio.)

Accepted Answer

$$\frac{8}{18}$$ 	ext{ or } 4:9$

Question 4

A building on a scale drawing measures 4.5 cm tall. If the scale is 25 meters per 2 cm, how tall is the actual building?

Accepted Answer

$$62.5$$ meters

Question 5

If 2 liters of sea water contain 70 grams of salt, how much salt is in 32 liters of sea water?

Accepted Answer

$$1120$$ grams

Question 6

A factory can make 20 toasters in 0.5 hours. How many toasters can the factory make in 6.5 hours?

Accepted Answer

$$260$$

Question 7

A farmer gets 340 bushels of corn from 2 acres of land. How many bushels can they get from 15 acres?

Accepted Answer

$$2550$$

Question 8

Solve the proportion: $$\frac{2}{3} = \frac{x}{51}$$

Accepted Answer

$$x = 34$$

Question 9

Solve for $$w in $$the proportion: $$\frac{w-4}{3} = \frac{w+1}{6}$$

Accepted Answer

$$w = 9$$

Question 10

After Edwin pumped 7.0 gallons of gasoline, the display read $$15.33. When he finished, it read 35.04. $$How many gallons did he pump in total?

Accepted Answer

$$16$$ gallons

Question 11

Which size of peanut butter is the best buy if the prices are $$3.49$$ for $$18 oz$$, $$4.99$$ for $$28 oz$$, and $$6.79$$ for $$40 oz$$?

Accepted Answer

$$40 oz$

Question 12

Write the ratio of 10 minutes to 5 seconds. (Convert minutes to seconds first.)

Accepted Answer

$$\frac{600}{5}$$ 	ext{ or } 120:1

Question 13

If $$a:b = c:d$$, which of the following is always true?

Accepted Answer

$$ad = bc$$

Question 14

A car travels 120 miles in 2 hours. At the same rate, how far will it travel in 5 hours?

Accepted Answer

$$300$$ miles

Question 15

If the ratio of students to teachers in a school is $$24:1$$, how many teachers are there if there are $$600$$ students?

Accepted Answer

$$25$$

Ratios and Proportions: Foundations and Applications

스터디 가이드 - 연습 문제