Ratios and Proportions Problems

This video tutorial covers the concept of ratios, including their introduction, representation using diagrams, application in recipes, and solving complex ratio problems. It provides a comprehensive understanding of ratios through examples and exercises, helping students grasp the concept effectively.

What is the ratio of bananas to apples in a fruit basket containing 9 bananas and 4 apples?

• 4:9

• 1:3

• 9:4

• 3:1

If a square has a side length of 5 feet, what is its area?

• 25 square feet

• 10 square feet

• 15 square feet

• 20 square feet

In a recipe for fizzy grape juice, the ratio of cups of sparkling water to cups of grape juice concentrate is 3:1. Which of the following ratios would result in the same taste?

• 4:1

• 6:2

• 9:4

• 5:2

How many batches of purple paint can be made with 12 cups of red paint if the ratio of red to blue paint is 3:2?

• 5 batches

• 2 batches

• 3 batches

• 4 batches

What is the correct ratio of lime juice to orange juice in the tropical fruit punch recipe?

• 1/3 cup of lime juice for every 5 cups of orange juice

• 1/2 cup of lime juice for every 5 cups of orange juice

• 1 cup of lime juice for every 5 cups of orange juice

• 2/3 cup of lime juice for every 5 cups of orange juice

If a recipe requires 150 grams of flour per egg, how much flour is needed for 6 eggs?

• 900 grams

• 750 grams

• 600 grams

• 1050 grams

How much does one ear of corn cost if 6 ears are sold for $1.80?

• $0.30

• $0.35

• $0.20

• $0.25

If Claire earns $18 in one hour, how many seconds does it take her to earn 25 cents?

• 100 seconds

• 200 seconds

• 150 seconds

• 50 seconds

What is the equivalent ratio of 60 to 45?

• 4 to 3

• 5 to 4

• 3 to 2

• 2 to 1

How much will a caterer pay for 21 pounds of pasta if 8 pounds cost $12?

• $25.50

• $28.00

• $31.50

• $35.00