Name: Date:

Question 1: 5 builders can build a wall in 42 days. How long would it take 7 builders to build the same wall? |

Question 2: 3 servers can serve 36 guests at a banquet. How many guests could 16 servers serve? |

Question 3: 6 volunteers can remove all the litter from a street in 88 minutes. How long would it take 11 volunteers to clear the same street? |

Question 4: 4 painters can paint a room in 165 minutes. How long would it take 15 painters to paint the same room? |

Question 5: 10 robots can weld 276 sheets of metal in 46 seconds. How many sheets of metal can 16 robots weld in 40 seconds? |

Question 6: 4 teachers can mark 8 exam papers in 16 minutes. How long would it take 9 teachers to mark 36 exam papers? |

Question 7: 4 computers can perform 41 billion calculations in 16 seconds. How long would it take 8 computers to perform 369 billion calculations? |

Question 8: 7 cats can catch 33 rats in 44 days. How long would it take 11 cats to catch 198 rats? |

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# Answers

Question 1: 30 days |

Question 2: 192 guests |

Question 3: 48 minutes |

Question 4: 44 minutes |

Question 5: 384 sheets of metal |

Question 6: 32 minutes |

Question 7: 72 seconds |

Question 8: 168 days |