Review Proportions

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve the proportion.

• 1

• 3

• 6

• 5

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Ramon travels 20 miles in 20 minutes, how many miles can he travel in 120 minutes?

• 120 miles

• 200 miles

• 10 miles

• 40 miles

Answer explanation

Ramon travels 20 miles in 20 minutes, which means he travels 1 mile per minute. In 120 minutes, he can travel 120 miles (1 mile/minute x 120 minutes). Therefore, the correct answer is 120 miles.

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

What is the ratio of blue triangles to red squares?

• 4 : 3

• 3 : 4

• 4 : 7

Answer explanation

The ratio of blue triangles to red squares is given as 4 to 3. This means for every 4 blue triangles, there are 3 red squares, making the correct answer 4 : 3.

What is the missing number in this ratio table?

• 15

• 25

• 10

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4

• 2:5

• 2:11

• 11:2

Answer explanation

To find the ratio of dogs to all pets, first calculate the total number of pets: 2 dogs + 4 cats + 5 hamsters = 11 pets. The ratio of dogs to all pets is 2:11.

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

Answer explanation

To simplify the ratio 35 : 14, divide both numbers by their greatest common divisor, which is 7. Thus, 35 ÷ 7 = 5 and 14 ÷ 7 = 2, resulting in the simplified ratio of 5 : 2.