GCSE Secondary Maths Age 13-17 - Number: Fractions, Decimals and Percentages - Explained

The video tutorial explains how to determine who saves the most from their salary among Gavin, Harry, and Isabel. Gavin saves 28% of his salary, Harry saves 25% by spending 3/4 of it, and Isabel saves 30% based on a 3:7 savings-to-spending ratio. The tutorial uses a hypothetical £100 salary to simplify calculations and concludes that Isabel saves the most. The video also outlines the marks allocation for solving the problem, emphasizing the importance of showing work and understanding proportions.

What percentage of his salary does Gavin save each month?

• 25%

• 35%

• 28%

• 30%

If Harry spends 3/4 of his salary, what fraction does he save?

• 1/5

• 1/2

• 1/4

• 1/3

How much does Harry save for every £100 he earns?

• £35

• £30

• £25

• £20

In the ratio of Isabel's savings to spending, what is the total number of parts?

• 5

• 12

• 7

• 10

Who saves the most money each month?

• Isabel

• Gavin

• All save equally

• Harry