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The contractor who needs help!!

A contractor agrees to complete a house in 250 days, and to do this he engages 60 men. After 200 days no work is done for 10 days. How many extra men must he engage to finish the house in time?

2 thoughts on “The contractor who needs help!!”

  1. Mrs Davison (and Paul the mathematical husband!) says:

    Goodness!
    Is it 15 men everyday for the last 40 days? That was so tricky! Well done, I had to ask my husband and it took us a good few minutes!
    I hope we are right. Thank you.

  2. Dolly says:

    I’m stuck on this one, nice job 🙂

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