Percent Word Problems Explained

This video tutorial covers the concept of percents, explaining how to solve various types of percent problems using proportions. It begins with an introduction to percents and their real-world applications, followed by a detailed explanation of proportions. The tutorial then provides a step-by-step guide to solving percent problems, including examples of different types of word problems. Finally, it discusses practical applications of percent calculations in real-life scenarios, emphasizing the importance of setting up equations correctly.

What does the term 'percent' signify in mathematical terms?

• A ratio expressed as a fraction of 100

• A formula for division

• A type of decimal representation

• A method to calculate interest

In the equation 'is over of equals percent over 100', what does 'of' represent?

• The part

• The unknown variable

• The whole

• The percentage

If you know the percentage and the 'of' value, how do you find the 'is' value?

• Multiply 'of' by the percentage and divide by 100

• Add the percentage to 'of'

• Subtract the percentage from 'of'

• Divide 'of' by the percentage

What is 90% of 40?

• 30

• 50

• 45

• 36

How do you find what percentage 15 is of 45?

• Divide 45 by 15

• Multiply 15 by 45

• Add 15 to 45 and take the square root

• Divide 15 by 45 and multiply by 100

What is 25 as a percentage of 50?

• 25%

• 50%

• 100%

• 75%

If you are given 18% of a $200 prize pool, how much money did you receive?

• $200

• $18

• $36

• $50

What is the total prize pool if $150 is 10% of it?

• $2000

• $1000

• $150

• $1500

In a classroom with 10 boys and 15 girls, what percent are girls?

• 50%

• 40%

• 60%

• 75%

How do you calculate the 'is' value if the 'percent' and 'of' values are known?

• Multiply 'percent' by 'of' and divide by 100

• Divide 'percent' by 'of' and multiply by 100

• Add 'percent' to 'of'

• Subtract 'percent' from 'of'