Name: Date:

Question 1: 4 builders can build a wall in 36 days. How long would it take 9 builders to build the same wall? |

Question 2: 3 workers can dig a hole in 78 hours. How long would it take 13 workers to dig the same hole? |

Question 3: 6 bakers can bake 72 cakes in a morning. How many cakes could 8 bakers bake in the same time? |

Question 4: 5 painters can paint 50 paintings in a week. How many paintings can 7 painters paint in a week? |

Question 5: 10 robots can weld 42 sheets of metal in 84 seconds. How long would it take 19 robots to weld 152 sheets of metal? |

Question 6: 3 teachers can mark 8 exam papers in 32 minutes. How long would it take 8 teachers to mark 16 exam papers? |

Question 7: 3 computers can perform 60 billion calculations in 12 seconds. How many calculations can 11 computers perform in 84 seconds? |

Question 8: 7 cats can catch 39 rats in 48 days. How long would it take 12 cats to catch 117 rats? |

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# Answers

Question 1: 16 days |

Question 2: 18 hours |

Question 3: 96 cakes |

Question 4: 70 paintings |

Question 5: 160 seconds |

Question 6: 24 minutes |

Question 7: 1540 billion calculations |

Question 8: 84 days |