Higher June 2025 Paper 5 Q10
10 Heidi is \(x\) years old.
Finley is 5 years younger than Heidi.
Zayn is 4 times Finley’s age.
Find an expression in terms of \(x\) for the total age of Heidi, Finley and Zayn.
Write your answer as simply as possible. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(6x - 25\) final answer | 4 | B1 for \(x - 5\) B2FT for \(4x - 20\) or 4(their \((x - 5)\)) correctly expanded or B1FT for \(4(x - 5)\) or 4(their \((x - 5)\)) | accept e.g. \(1x - 5\) Their \(x - 5\) must be two term expression with one algebraic term e.g. \(5 - x\) |