Ratio Chapter Review

Write 8 : 24 in simplest form. 

• 1 : 3
• 2 : 12
• 4 : 12
• 1 : 4

Write 64 : 56 in simplest form. 

• 8 : 7
• 32 : 28
• 16 : 14
• 3 : 4

Write 27 : 72 in simplest form.

• 3 : 7
• 3 : 12
• 3 : 8
• 9 : 24

The ratio of Joe's height to Sam's height is 5 : 7. How many times taller is Sam than Joe? 

• 5 times
• 7 times
• 5/7 times
• 1 and 2/5 times

Find the missing term. 
1 : 3 = 6 : ?

• 12
• 18
• 9
• 4

Find the missing term. 
4 : ? = 20 : 25

• 5
• 6
• 7
• 10

Find the missing term. 
? : 36 = 21 : 12

• 18
• 12
• 72
• 63

Find the missing term.
5 : 15 = ? : 24

• can't be done
• 11
• 8
• 12

The city has 28 fire engines and 36 fire trucks. Find the ratio of the number of fire trucks to the number of fire engines in simplest form. 

• 9 : 7
• 7 : 9
• 14 : 18
• 18 : 14

On Saturday, Allison used her cell phone for 36 minutes. On Sunday, she used her cell phone 18 minutes. Find the ratio of the number of minutes Allison used on Saturday, to the total number of minutes on Saturday and Sunday. Give your answer in simplest form. 

• 18 : 36
• 2 : 1
• 2 : 3
• 36 : 54