A bamboozling Edexcel exam question swept social media this week. Jonthan Arnott explains the reasoning behind the problem, and how to make sense of it
How to solve Hannah’s Sweets: a former GCSE maths teacher (and Ukip MEP) explains
A bamboozling Edexcel exam question swept social media this week. Jonthan Arnott explains the reasoning behind the problem, and how to make sense of it
