Equivalent Ratios

To make punch, Meg uses 2 cups of soda with 3 cups of juice. If Omar gives her 24 cups of juice, how many cups of soda does Meg need to make her punch? (a)  

• 16 cups of soda

• 23 cups of soda

• 25 cups of soda

• A lot of cups of soda

In the school parking lot, there are 3 blue cars for every 4 silver cars. There are 15 blue cars. How many silver cars are in the parking lot?

• 20 silver cars

• 17 silver cars

• 15 silver cars

• 35 silver cars

Mark is making punch. He uses 3 liters of juice for every 2 liters of soda. How many liters of soda does Mark need if he has 9 liters of juice?

Mark will need _______ liters of soda.

• 6
• 5

• 9

• 15

Susan mixes 5 ounces of peanuts with 3 ounces of chocolate to make chocolate trail mix. If Susan uses 20 ounces of peanuts, how much chocolate did she use?

• 12 ounces

• 8 ounces

• 20 ounces

• 32 ounces

Susan mixes 5 ounces of peanuts with 3 ounces of chocolate to make chocolate trail mix. This time, she uses 100 ounces of peanuts. How much chocolate did she use?

• 8 ounces

• 20 ounces

• 160 ounces

• 60 ounces

In the school parking lot, there are 3 blue cars for every 10 cars. If there are 12 blue cars, how many cars are not blue?

• 28

• 7

• 4

• 40

The principal says that the ratio of girls to boys in the sixth grade is 4 to 5. There are 45 students in the sixth grade. How many girls are there in the sixth grade?

• 9

• 20

• 25

• 45

• 5

Susan mixes 36 ounces of peanuts with 24 ounces of raisins to make a batch of trail mix. If Susan wants to make a smaller batch, how many ounces of raisins will she need if she uses 3 ounces of peanuts?

• 2 ounces of raisins

• 12 ounces of raisins

• 5 ounces of raisins

• 60 ounces of raisins

To determine equivalent ratios, which two operations do we use?

• Addition

• Subtraction

• Multiplication

• Division

To create an equivalent ratio in lowest terms (scaling down), what must you use?

• a whole number

• any number

• a common factor

• a common multiple