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Question 1: A mattress goes on sale for 84% off. The sale price is £116.80, calculate the original price. |

Question 2: The population of Mathsville is 3,244,000 people. It grows by 23%. What is the new population of Mathsville? |

Question 3: £8,960 is invested in the stock market. 3 years later the investment is worth £985.60. Calculate the percentage change in the initial investment. |

Question 4: Becky joins a company and a year later receives a 7.5% pay rise of £1,800. Calculate their starting salary. |

Question 5: Elaine buys a new car that has an annual depreciation rate of 26%. A year later, the car is worth £6,370 less. How much did they pay for the car? |

Question 6: Jack earns £1,100 per month after tax. Their earnings are taxed at 45%. Calculate their gross monthly earnings before tax. |

Question 7: Charlie weighs 110kg and decides to go on a diet. Their target weight is 78kg. Calculate the percentage decrease in weight this represents, correct to 1 d.p. |

Question 8: Harry wants to buy the latest pair of trainers released by Kratos Corporation. Kratos4u are selling the trainers for £230 with an offer of 34% off. E-store are selling the trainers for £310 with an offer of 41% off. Calculate which store is cheaper and how much could be saved compared to the other store. |

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# Answers

Question 1: £730 |

Question 2: 3,990,120 people |

Question 3: 89% decrease |

Question 4: £24,000 |

Question 5: £24,500 |

Question 6: £2,000 |

Question 7: 29.1% to 1 d.p. |

Question 8: Kratos4u are cheaper with a saving of £31.10 |