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Question 1: The giraffe population at the start of the year 2019 was 90,000. It declines at a rate of 1.2% each year. Calculate the giraffe population at the start of the year 2032. Give your answer correct to the nearest whole number. |

Question 2: £6,750 is invested in a savings account for 15 years. The compound interest rate is 2.5% per annum. Work out the total interest earned after 15 years. Give your answer correct to the nearest pence. |

Question 3: An antique painting is bought at auction for £137,000. It appreciates at a rate of 5.5% each year. Calculate the value of the painting after 10 years. Give your answer correct to the nearest whole number. |

Question 4: The giraffe population at the start of the year 1990 was 147,000. It declines at a rate of 2.3% each year. Calculate the decrease in the giraffe population at the start of the year 1995. Give your answer correct to the nearest whole number. |

Question 5: £8,250 is invested in a savings account for 8 years. The compound interest rate is 3% per annum. How much is in the savings account after 8 years? Give your answer correct to the nearest pence. |

Question 6: An antique painting is bought at auction for £428,000. It appreciates at a rate of 8.2% each year. Calculate the increase in the value of the painting after 3 years. Give your answer correct to the nearest whole number. |

Question 7: A new car is bought for £15,500. It depreciates by 30% each year for 6 years. Calculate the loss in value after 6 years. Give your answer correct to the nearest pence. |

Question 8: A new car is bought for £11,750. It depreciates by 18% each year for 12 years. How much is the car worth after 12 years? Give your answer correct to the nearest pence. |

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# Answers

Question 1: 76,928 |

Question 2: £3,026.01 |

Question 3: £234,016 |

Question 4: 16,145 |

Question 5: £10,450.85 |

Question 6: £114,158 |

Question 7: £13,676.44 |

Question 8: £1,085.94 |