Exploring Percentages and Their Applications

This video tutorial explains the concept of finding a percent of a number, using multiplication. It provides examples, such as calculating 25% of $34, and explains how to convert percentages to decimals. The tutorial also uses a pizza analogy to illustrate the concept of percentages as parts of a whole. Additionally, it introduces the proportion method to solve percent problems, demonstrating with examples like finding what percent of 200 is 15.

What does the term 'of' imply in percentage calculations?

• Addition

• Subtraction

• Multiplication

• Division

How do you convert a percentage to a decimal?

• Move the decimal point two places to the left

• Move the decimal point two places to the right

• Multiply by 100

• Divide by 100

What is 25% of $34?

• $8.00

• $8.50

• $9.00

• $7.50

If 70% of a group is 84 people, how many people are in the entire group?

• 100

• 120

• 150

• 200

What percentage of a pizza is two slices if the whole pizza has eight slices?

• 30%

• 25%

• 20%

• 15%

In the proportion method, what does 'is' represent?

• The percentage

• None of the above

• The part of the whole

• The whole amount

10% of what number is 70?

• 720

• 710

• 730

• 700

What percent of 200 is 15?

• 5%

• 7.5%

• 10%

• 12.5%

If 45 is 60% of a number, what is the number?

• 65

• 75

• 85

• 95

What is 74% of 650?

• 490

• 500

• 481

• 510