If 20 men or 24 women or 40 boys can do a job in 12 days working for 8 hours a d

If 20 men or 24 women or 40 boys can do a job in 12 days working for 8 hours a day, how many men working with 6 women and 2 boys take to do a job four times as big working for 5 hours a day for 12 days?

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