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Question 1: A company sells £23,480 worth of televisions in one week. The following week they sell £8,452.80 worth of televisions. Calculate the percentage change in sales. | |||||||||

Question 2: In a sale a bag is discounted from £430 to £120.40. Calculate the percentage decrease in price. | |||||||||

Question 3: £6,780 is invested in the stock market. 3 years later the investment is worth £12,543. Calculate the percentage change in the initial investment. | |||||||||

Question 4: Alyssa joins a company with a starting salary of £26,000. A year later this increases to £27,560. Calculate the percentage increase in salary. | |||||||||

Question 5: Chloe buys a new car that costs £16,000. A year later the car is worth £13,280. Calculate the depreciation rate. | |||||||||

Question 6: Debbie earns £1,750 per month before tax. After tax is deducted this drops to £1,627.50. Calculate the tax rate paid. | |||||||||

Question 7: The number of Year 10 and 11 students at QuickMaths Secondary School is shown below:
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Question 8: 24% of the water in a jug is poured out. Calculate the percentage increase in water now required to reach the original level of water in the jug (to 1 d.p.). |

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# Answers

Question 1: 64% decrease |

Question 2: 72% decrease |

Question 3: 85% increase |

Question 4: 6% increase |

Question 5: 17% depreciation rate |

Question 6: 7% tax rate |

Question 7: 2.0% to 1 d.p. |

Question 8: 31.6% to 1 d.p. |