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#1 2006-11-15 05:58:21

Kiran
Member
Registered: 2006-11-15
Posts: 177

hi

thirty construction workers could do 6 jobs in 4 days. how many days would it take 20 construction workers to do 4 jobs?


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#2 2006-11-15 10:27:24

pi man
Member
Registered: 2006-07-06
Posts: 251

Re: hi

It takes 120 days of work (4 days * 30 workers) to do 6 jobs.    So it takes 20 days of work to complete 1 job.  4 jobs takes 80 work days.   If you get 20 workers on those 4 jobs, it would take 4 days.

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#3 2006-11-15 10:33:14

Kiran
Member
Registered: 2006-11-15
Posts: 177

Re: hi

hey cool thanks
that wasnt that hard smile


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#4 2006-11-15 11:16:55

MathsIsFun
Administrator
Registered: 2005-01-21
Posts: 7,711

Re: hi

But ... wouldn't they get in each others way a lot?


"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

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