Ratio Basics

What is the simplest form of the ratio 10 to 15?

• 1 to 2

• 2 to 3

• 3 to 5

• 5 to 10

Are the ratios @@\frac{2}{3}@@ and @@\frac{8}{9}@@ equivalent?

• Yes

• No

• They are approximately equal

• Only if simplified

What does it mean to simplify a ratio?

• To increase the ratio to its highest terms by multiplying both quantities by their least common multiple.

• To simplify a ratio means to reduce it to its lowest terms by dividing both quantities by their greatest common factor.

• To express the ratio as a percentage of the total.

• To convert the ratio into a decimal format.

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

• 5 to 7

• 7 to 5

• 3 to 2

• 2 to 3

If a car travels 150 miles in 3 hours, what is the speed in miles per hour?

• 40 miles per hour

• 50 miles per hour

• 60 miles per hour

• 70 miles per hour

What is the ratio of 12 to 16 in simplest form?

• 2 to 3

• 3 to 4

• 4 to 5

• 1 to 2

How do you express the ratio of 8 to 4?

• 1 to 2

• 2 to 1

• 4 to 8

• 8 to 4

If there are 20 students in a class and 12 are girls, what is the ratio of boys to girls?

• 8 to 12

• 2 to 3

• 3 to 2

• 12 to 8

How do you write a ratio of 4 apples to 6 oranges?

• 4 to 6 or @@\frac{4}{6}@@.

• 6 to 4

• 2 to 3

• 4:6

What word can be used when writing a ratio?

• and

• to

• or

• with