Solving Problems with Ratios

A builder could get 6 sheets of sheetrock for $10. If he bought 15 sheets, how much money would he have spent? Use a double number line to solve. 

• 20
• 21
• 25
• 30

At a school fundraiser for every 3 boxes of chocolate sold you earn 15 points. If you were to sell 7 boxes, how many points would you have earned?

• 35
• 33
• 31
• 30

A box of candy had 2 cherry pieces for every 4 lemon pieces. If the box had 36 cherry pieces, how many lemon pieces would there be? Solve by using a tape diagram

• 18
• 9
• 54
• 72

 A recipe called for the ratio of sugar to flour to be 7 : 3. If you used 63 ounce of sugar, how many ounces of flour would you need to use? Solve  by using equivalent fractions.

• 9
• 18
• 21
• 27

A parking lot has 117 spaces total. If 36 of the spaces have cars in them, what is the ratio of empty spaces to filled spaces?

• 117:36
• 36:117
• 36:81
• 81:36

If there are 120 boys in the group, how many boys and girls are there TOTAL? Use the tape diagrams to solve.

• 150

• 270

• 250

• 360

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4
• 30
• 70
• 40

The 6th grade took a field trip to the movies. The table shows the price of popcorn based on the quantity purchased. How much would it cost for 20 bags of popcorn? 

• 50
• 55
• 60
• 65

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5
• 5 to 3
• 3 to 5
• 5 to 2

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90