Understanding Percentages in Surveys

The video tutorial explains how to determine the number of adults who responded 'Yes' in a survey of 1,197 adults, where 45% responded positively. It covers the process of using a percent equation, converting percentages to decimals, and performing the calculation to find the result, including rounding to the nearest whole number.

What percentage of the surveyed adults responded 'Yes'?

• 45%

• 75%

• 30%

• 60%

What is the first step in solving how many adults responded 'Yes'?

• Multiply the total by 2

• Set up a percent equation

• Subtract the percentage from 100

• Add the total number of adults

In a percent equation, what does the word 'of' signify?

• Subtraction

• Division

• Multiplication

• Addition

How do you convert a percentage to a decimal?

• Multiply by 10

• Drop the percent sign and divide by 100

• Move the decimal point two places to the right

• Add 100 to the percentage

What is 45% expressed as a decimal?

• 45

• 0.045

• 0.45

• 4.5

What operation is used to find the percent of a number?

• Division

• Multiplication

• Subtraction

• Addition

After calculating the product, what should you do if the decimal is 0.5 or more?

• Multiply by 10

• Leave it as is

• Round down

• Round up

What is the final step in determining the number of adults who responded 'Yes'?

• Add the percentage to the total

• Subtract the percentage from the total

• Divide by the total number of adults

• Round the result to the nearest whole number