Name: Date:

Question 1: A company sells £26,140 worth of headphones in one week. The following week they sell £43,392.40 worth of headphones. Calculate the percentage change in sales. | |||||||||

Question 2: In a sale a bag is discounted from £670 to £375.20. Calculate the percentage decrease in price. | |||||||||

Question 3: £5,080 is invested in the stock market. 3 years later the investment is worth £8,636. Calculate the percentage change in the initial investment. | |||||||||

Question 4: Noah joins a company with a starting salary of £20,000. A year later this increases to £21,700. Calculate the percentage increase in salary. | |||||||||

Question 5: Charlie buys a new car that costs £13,500. A year later the car is worth £10,125. Calculate the depreciation rate. | |||||||||

Question 6: Oliver earns £2,100 per month before tax. After tax is deducted this drops to £1,911. 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: 33% more water is poured into a jug. Calculate the percentage decrease 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: 66% increase |

Question 2: 44% decrease |

Question 3: 70% increase |

Question 4: 8.5% increase |

Question 5: 25% depreciation rate |

Question 6: 9% tax rate |

Question 7: 2.1% to 1 d.p. |

Question 8: 24.8% to 1 d.p. |