SOLUTION: 20 man can finish a work in 30 days.after how many days should 5 people goes the work will be fished in 35 days?

Question 750334: 20 man can finish a work in 30 days.after how many days should 5 people goes the work will be fished in 35 days?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
First find the rate of 1 man. The rates of each man working at the same time as another are simply additive.

20 men do 1 job in 30 days.
1 man does 1/20 job in 30 days.
Think about how that should make sense. WHAT IS THIS ONE-MAN RATE?

His rate of work is jobs per day.
This is jobs per day.

Now, your question was, not comprehendible. What are you asking for? Five men working, and how many days needed for them to do the job? Why did you mention 35 days?
Trying to calculate the number of days for the 5 men:
, where r is rate of work, t is days, j is amount of jobs,

But be sure to see that rate for 5 men is jobs per day.
=120 days.

That may have been not what you wanted to ask.
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