Solving Proportions

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

The pet store has 18 dogs toys for sale. 10 toys are frisbees and the rest are bones. What is the ratio of bones to frisbees in simplest form?

• 5/9

• 8/10

• 4/5

• 18/10

Solving percent proportion word problems: A shirt that originally cost $40 is on sale for 25% off. What is the sale price of the shirt?

• $35

• $25

• $30

• $45

Solving percent proportion word problems: The price of a computer is $800, which is 20% off the original price. What is the original price of the computer?

• $700

• $500

• $1000

• $600

Using percent proportions to solve real-life problems: If a car originally cost $20,000 and is now selling for 15% off, what is the sale price of the car?

• $18,500

• $17,000

• $16,000

• $19,500

Using percent proportions to solve real-life problems: If you scored 85% on a test with 50 questions, how many questions did you answer correctly?

• 40

• 30

• 45

• 43

What is the first step when solving for X with proportions?

• Add bottom numbers

• Add top and bottom of ratio

• Cross-Multiply

• Divide

If you can buy one bunch of seedlees green grapes for $2 then how many can you buy with $18?

• 9

• 36

• 18

• 2

#1 Hello World

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