Calculating Ratios and Totals

The video tutorial guides viewers through solving a word problem using a pie chart. It involves understanding the problem, calculating the number of women, determining the ratio of women to girls, finding the number of boys, and verifying the results. The process is broken down into steps: understanding the problem, devising a plan, carrying out the plan, and checking the results.

What is the first step in solving a word problem involving a pie chart?

• Calculate the total number of people.

• Understand the problem and study the diagram.

• Verify the answers.

• Find the ratio of different groups.

How many people went to the cinema on the given day?

• 1,200

• 1,500

• 1,000

• 1,080

What percentage of the total number of people at the cinema were women?

• 20%

• 25%

• 30%

• 35%

How do you calculate the number of women at the cinema?

• Multiply the total number by 0.25

• Multiply the total number by 0.2

• Multiply the total number by 0.35

• Multiply the total number by 0.3

What is the number of women present at the cinema?

• 300

• 270

• 250

• 320

What is the next step after finding the number of women?

• Verify the total number of people.

• Determine the number of boys.

• Find the ratio of women to girls.

• Calculate the number of men.

What is the number of girls at the cinema according to the pie chart?

• 415

• 410

• 405

• 400

How do you simplify the ratio of women to girls?

• Divide both by 9

• Divide both by 15

• Divide both by 5

• Divide both by 20

What is the simplified ratio of women to girls?

• 4:5

• 2:3

• 1:2

• 3:4

What is the next step after finding the ratio of women to girls?

• Find the number of men.

• Recalculate the number of women.

• Calculate the number of boys.

• Verify the total number of people.