01
Have a go first
The Question
Three friends share a taxi fare of £45. Ali pays twice as much as Ben, and Ben pays £3 more than Cara. How much does each pay?
02
Then check together
The Answer
Reveal the Answer
Cara £9, Ben £12, Ali £24
Start from Cara, because everything is defined in terms of her. Cara = c, Ben = c + 3, Ali = 2c + 6. Total 4c + 9 = 45, so c = 9. Choosing the right person to start from turns a hard question into an easy one.
Now watch the solution
Pencil and paper
Practice Sheet + Marked Answers
The four-question practice sheet, the solutions in our teaching voice and a self-marking quiz for this question are part of The Question Desk course — every school day of the term, with progress you can see. Enrolled group students get it included.
Want a Plan Built Around Your Child, Not Just This Week’s Question?
Small groups of around 4–5 (max 8), matched to your child’s year group and pace. Start with the free baseline assessment and we’ll tell you exactly where they are.
