Proportion
Work out the price of one item first.
🔍 Step 1 · Understand
First, look at a worked example
3 notebooks cost €27. How much do 8 notebooks cost, in €?
💡 The tip : First work out the price of one notebook.
🤔 Find the answer in your head, then open the solution.
👀 See the solution✅ The solution
Answer: 72
One notebook costs 27 ÷ 3 = €9, so 8 notebooks cost 8 × 9 = €72.
🎯 Step 2 · Your turn!
10 questions. Take your time, and ask for a hint if you get stuck.