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Question 1: A company sells £48,790 worth of clothes in one week. The following week they sell £33,665.10 worth of clothes. Calculate the percentage change in sales. |

Question 2: The population of Mathsville has grown by 44% over 10 years to 2,544,480. What was the population of Mathsville 10 years ago? |

Question 3: An investment in the stock market increases by £6,230.80 in 3 years. This represents 74% of the original investment. How much money was invested? |

Question 4: Jacob joins a company and a year later receives a 3% pay rise, taking their annual salary to £20,600. Calculate their starting salary. |

Question 5: Alyssa buys a new car that has an annual depreciation rate of 16%. A year later, the car is worth £4,240 less. How much did they pay for the car? |

Question 6: Oliver earns £1,700 per month before tax. Their earnings are taxed at 19%. Calculate the net earnings after tax. |

Question 7: Oscar weighs 97kg and decides to go on a diet. Their target weight is 72kg. 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 £300 with an offer of 46% off. E-store are selling the trainers for £330 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: 31% decrease |

Question 2: 1,767,000 people |

Question 3: £8,420 |

Question 4: £20,000 |

Question 5: £26,500 |

Question 6: £1,377 |

Question 7: 25.8% to 1 d.p. |

Question 8: Kratos4u are cheaper with a saving of £32.70 |