Many households buy replacement brush-head packs for the electric toothbrush they own. The price of electric toothbrushes falls. The table shows weekly demand and supply for replacement brush-head packs at different prices, before and after the price fall.
| Price per pack | Quantity demanded before (packs) | Quantity demanded after (packs) | Quantity supplied (packs) |
|---|---|---|---|
| £4 | 1,600 | 2,000 | 800 |
| £6 | 1,000 | 1,600 | 1,000 |
| £8 | 700 | 1,200 | 1,200 |
| £10 | 400 | 800 | 1,400 |
Using the table, explain the change in the market-clearing price and quantity of replacement brush-head packs.
236 exam-style questions on AQA GCSE Economics 1.3 How prices are determined, covering 1.3.1a Demand and the factors that influence it, 1.3.1b The demand curve, 1.3.2a Supply and the factors that influence it, 1.3.2b The supply curve, 1.3.3a Determining equilibrium price, 1.3.3b Applying diagrams and showing revenue, 1.3.4a Complements and substitutes, 1.3.4b Effects of changes on related markets, 1.3.5a Price elasticity of demand, 1.3.5b Factors affecting price elasticity of demand, 1.3.5c Measuring PED and its implications, 1.3.6a Price elasticity of supply, 1.3.6b Factors affecting price elasticity of supply, and 1.3.6c Measuring PES and its implications. Each one has a worked solution and a mark scheme showing where the marks go.