Solving Multi-Step Problems with Rational Numbers

David has 3 1/2 cups of blueberries. He uses 1/4 of a cup of blueberries to make a breakfast smoothie. He uses 1/2 of the remaining blueberries to make blueberry pancakes. How many cups of blueberries does he use for the pancakes?

Write your answer as a whole number, fraction, or mixed number. Simplify any fractions.

15 How many inches were cut?

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11 How much longer did Lois play than Souzi?

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• D

Sophie went to the lake with her family. First, they spent 1 1/4 hours fishing. Then, they spent twice as much time swimming. How much time did they spend fishing and swimming in all?

Write your answer as a whole number, fraction, or mixed number. Simplify any fractions.

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• B

• C

• D

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• E

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• D

Landon walks up to a tank of water that can hold up to 10 gallons. When Landon first sees the tank it contains 7 gallons. After 3 minutes the level is 5 gallons. How many minutes BEFORE Landon arrived was the tank completely full?

Ben earns $9 per hour and $6 for each delivery he makes. He wants to earn more than $155 in an 8-hour workday.What is the LEAST number of deliveries he musts make to reach his goal?

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Francisco’s recipe for cookies calls for 3/4 cup of sugar, 2 1/2 cup of flour, and 3 eggs. If he wants to use half as much sugar and then triple the recipe size, how much sugar will he need?

• 1 1/8 cups

• 2 1/4 cups

• 7 1/2 cups

• 4 1/2