Chapter 4 Ratios Lesson - Vincent Petruzzi | Laabri

1

What is the ratio of 8 pencils to 2 pencils?

4:2

4:1

2:8

1:4

1

If the ratio of cats to dogs is 3:1, how many dogs if 12 cats?

9 dogs

3 dogs

15 dogs

4 dogs

1

In a recipe, the ratio of sugar to flour is 2:3. How much flour for 4 cups sugar?

2 cups

6 cups

5 cups

3 cups

1

The ratio of boys to girls is 5:7. How many girls if 10 boys?

14 girls

12 girls

15 girls

10 girls

1

Compare the ratios 3:4 and 6:8.

They are not comparable.

They are equivalent ratios.

3:4 is larger.

6:8 is larger.

1

Which ratio is equivalent to 2:5?

3:8

4:10

5:2

7:15

1

Are the ratios 9:12 and 15:20 equivalent?

Yes, they are equivalent.

Can't be determined.

No, they are not equivalent.

They are opposite.

1

Which of these is NOT equivalent to the ratio 10:15?

30:45

2:3

20:30

5:6

1

A car travels 180 miles in 3 hours. What is its rate in miles per hour?

180 miles per hour

60 miles per hour

3 miles per hour

540 miles per hour

1

A factory produces 150 widgets in 5 hours. What is its production rate?

150 widgets per hour

5 widgets per hour

25 widgets per hour

30 widgets per hour

1

Sarah reads 60 pages in 2 hours. What is her reading rate?

30 pages per hour

90 pages per hour

60 pages per hour

15 pages per hour

1

A train travels 240 kilometers in 4 hours. What is its speed?

240 kilometers per hour

120 kilometers per hour

4 kilometers per hour

60 kilometers per hour