Pass maths · Ratio and proportion
Best buys
Learn the method, then complete five focused questions.
Progress…
LZ Method
Compare the price for the same quantity. Divide price by quantity to find unit cost. The lower unit cost is better value.
- 1A: 4 for £3 → £0.75 each
- 2B: 6 for £4.20 → £0.70 each
- 3B is better value