Ratio Intro Review

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

Mike has a ratio of 2 apples to 3 bananas. He has 15 bananas. How many apples does he have?

• 7

• 9

• 10

• 2

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18

• 3:2

• 30:18

• 18:7

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Solve the proportion.

• n=6

• n=24

• n=7

• n=8

What is a Ratio?

• Is a comparison of two quantities

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one

• Two decimals that can be multiplied

Which statement is true about the table ?

• The ratio of flutes to saxophones is 13 to 27 

• The ratio of trumpets to all instruments is 9:59

• The number of trumpets to flutes is 27:9

• The number of Drums to total instruments is 10/49

The table shows the number of city blocks and houses on four different mail routes. Based on the relationship shown in the table, which statement is true?

• There are 8 times as many houses as city blocks on each mail route.

• There are 12 times as many houses as city blocks on each mail route.

• There are 24 times as many houses as city blocks on each mail route.

• There are 2 times as many houses as city blocks on each mail route.

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6 : 4

• 4 : 6

• 1 : 3

• 10 : 16