Reminder A mobile phone is reduced by 30% in a sale. The Sale price is £105. How much was the original price? 105/0.7 = £150 £105 represents 70% So 1%

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Presentation transcript:

Reminder A mobile phone is reduced by 30% in a sale. The Sale price is £105. How much was the original price? 105/0.7 = £150 £105 represents 70% So 1% = 105/70=1.5 100%= £150

Questions! Q1. A washing machine sells for £240, after a discount of 20% on its original price. Find the original price.

2. The price of a bicycle increases by 10% to £198 2. The price of a bicycle increases by 10% to £198. Find the price before the increase.

3. A shop sells 300 radios in a year 3. A shop sells 300 radios in a year. If this is a 50% increase on sales the previous year, how many radios were sold the year before?

4. A packet of cookies is advertised as having ‘30% extra chocolate chips'. If it contains 1.32kg, what would the original pack contain?

5. A new car falls in value by 25% in a year 5. A new car falls in value by 25% in a year. After a year, it's worth £ 9,600. Find the price of the car when it was new.

6. The price of a car is reduced by 10% in a sale 6. The price of a car is reduced by 10% in a sale. The sale price is £3,600.How much was the price before the sale?

7. A digital radio costs £47 with VAT at 17. 5% 7. A digital radio costs £47 with VAT at 17.5%. How much is the price without VAT?

8. In July, a miniature railway increased its prices by 25% to £1 8. In July, a miniature railway increased its prices by 25% to £1.50 and visitor numbers in August dropped by 8% to 5520. a. What was the price in July? b. How many visitors were there in July?