GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratio and Percentage - Explained

The video tutorial explains how to determine the percentage of people under 25 in a company with a given ratio of men to women. It involves calculating percentages of men and women under 25, combining these results, and converting the total to a percentage. The tutorial also discusses the scoring of the problem, emphasizing the importance of understanding and combining information.

What is the ratio of men to women in the company?

• 1 to 1

• 3 to 2

• 4 to 3

• 2 to 3

What percentage of men in the company are under the age of 25?

• 30%

• 40%

• 50%

• 60%

How do you calculate the total proportion of people under 25 in the company?

• Subtract the proportion of women from men under 25

• Multiply the proportions of men and women under 25

• Add the proportions of men and women under 25

• Divide the proportion of men by women under 25

What is the final percentage of all people in the company under the age of 25?

• 48%

• 38%

• 28%

• 18%

How many marks are allocated for finding the 40% of 3?

• One mark

• Two marks

• Three marks

• Four marks