Mastering Ratios: Word Problems with William Ruiz

William Ruiz has a recipe that uses a ratio of 2 cups of flour to 3 cups of sugar. If he wants to make a smaller batch using 4 cups of flour, how much sugar will he need?

• 4 cups of sugar

• 6 cups of sugar

• 10 cups of sugar

• 8 cups of sugar

In a class, the ratio of boys to girls is 3:5. If there are 15 boys, how many girls are there in the class?

• 30

• 25

• 20

• 35

William Ruiz is mixing paint in a ratio of 1 part blue to 4 parts yellow. If he uses 2 liters of blue paint, how much yellow paint does he need?

• 10 liters

• 8 liters

• 6 liters

• 4 liters

A fruit salad recipe calls for a ratio of 1 part strawberries to 2 parts bananas. If William Ruiz uses 6 cups of bananas, how many cups of strawberries does he need?

• 3 cups

• 2 cups

• 5 cups

• 4 cups

The ratio of cats to dogs in William Ruiz's pet shop is 4:3. If there are 28 cats, how many dogs are there?

• 21

• 30

• 18

• 24

William Ruiz is creating a new drink that requires a ratio of 5 parts water to 2 parts juice. If he uses 10 cups of water, how much juice should he add?

• 4 cups of juice

• 8 cups of juice

• 2 cups of juice

• 6 cups of juice

In a school, the ratio of teachers to students is 1:20. If there are 5 teachers, how many students are there?

• 120 students

• 80 students

• 50 students

• 100 students

William Ruiz is planning a party and wants to serve snacks in a ratio of 3 bags of chips to 2 bags of pretzels. If he has 9 bags of chips, how many bags of pretzels does he need?

• 8 bags of pretzels

• 10 bags of pretzels

• 6 bags of pretzels

• 4 bags of pretzels

The ratio of red to blue marbles in a jar is 7:3. If there are 70 red marbles, how many blue marbles are there?

• 20

• 40

• 50

• 30

William Ruiz is baking cookies and the recipe calls for a ratio of 1:2 for chocolate chips to nuts. If he uses 1 cup of nuts, how many cups of chocolate chips does he need?

• 1 cup

• 2 cups

• 3 cups

• 4 cups