7.3(B) - Solve problems using rational number operations

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Amy ordered dinner for 7 nights.

- Each dinner costs $7.35

- She pays a weekly delivery fee of $15.50

What is the total amount Amy pays for her dinners in a week?

• $66.95

• $29.85

• $51.45

• $22.85

Bill ordered 12 issues of the magazine Sports Illustrated.

- Each issue costs $3.75

- There is a yearly delivery fee of $25.75

What is the total amount Bill pays for the Sports Illustrated order?

• $70.75

• $41.50

• $45

• $29.50

Carl buys 6 tickets to an Astros game for his family.

- Each ticket costs $25.35

- There is a transaction fee of 36.50

How much does Carl pay for the tickets in total?

• $67.85

• $188.60

• $219.00

• $244.35

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 $David\ brings\ 48\ mar\ker s\ to\ sell\ at\ school:$  

 $\frac{1}{6\ }of\ the\ mar\ker s\ are\ blue.$  

 $\frac{1}{8\ }of\ the\ mar\ker s\ are\ red.$  

 $\frac{1}{12\ }of\ the\ mar\ker s\ are\ green.$  

 $The\ rest\ of\ the\ mar\ker s\ are\ black.$  

 $How\ many\ black\ mar\ker s\ does\ David\ bring\ to\ school?$  

•  $18\ Black\ mar\ker s$  

•  $36\ Black\ mar\ker s$  

•  $24\ Black\ mar\ker s$  

•  $30\ Black\ mar\ker s$  

 $Erick\ bakes\ 56\ cupcakes.$  
 $\frac{1}{4}are\ vanilla.$  
 $\frac{1}{8}are\ chocolate.$  
 $\frac{1}{7}are\ strawberry.$  
 $The\ rest\ are\ cherry-filled\ cupcakes.$  
 $How\ many\ cherry-filled\ cupcakes\ does\ Erick\ bake?$  

•  $27\ cherry-filled\ cupcakes$  

•  $37\ cherry-filled\ cupcakes$  

•  $25\ cherry-filled\ cupcakes$  

•  $30\ cherry-filled\ cupcakes$  

 $Frank\ has\ 20\ pair\ of\ shoes.$  
 $\frac{1}{4\ }are\ tennis\ shoes.$  

 $3\ are\ dress\ shoes.$  
 $\frac{1}{5}are\ running\ shoes.$  
 $The\ rest\ of\ his\ shoes\ are\ boots.$  
 $How\ many\ pairs\ of\ boots\ does\ Frank\ own?$  

•  $12\ pairs\ of\ boots$  

•  $6\ pairs\ of\ boots$  

•  $10\ pairs\ of\ boots$  

•  $8\ pairs\ of\ boots$  

• $4.50

• $3.99

• $5.99

• $4.99

Gabriela uses $20 to buy 5 pencils. She receives $5 back in change. If all the pencils cost the same, how much is each pencil?

• $4/pencil

• $5/pencil

• $2/pencil

• $3/pencil