This introduction covers What Is a Best Buy? within Best Buy for GCSE Mathematics. Revise Best Buy in Ratio & Proportion for GCSE Mathematics with 12 exam-style questions and 22 flashcards. Use this page as part of a wider topic revision path rather than treating it as an isolated fact. It is section 1 of 8 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.
What Is a Best Buy?
You're in the supermarket with £10. Two bottles of cola: 500ml for £1.50 or 750ml for £2.00. Which is better value? Best buy questions help you make smart shopping decisions by comparing the cost per unit - the price for each millilitre, gram, or item.
Practice questions for Best Buy
Which method correctly compares the value of two products?
Three sizes of shampoo are available: - Travel: 100 ml for 95p - Regular: 300 ml for £2.55 - Family: 500 ml for £4.00 Find the best value size. Show all working.
Quick recall flashcards
What does BOGOF mean?
Buy One Get One Free. You pay for 1 item but get 2 items. Price per item = Normal price ÷ 2.
What does 'best buy' mean?
The option that gives the lowest cost per unit (per gram, per litre, per item). Calculate by dividing total price by quantity.