SOLUTION: If 6 boys can build 24 birdhouses in 2 days, how long would it take 12 boys to build 120 birdhouses?

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Question 1080411: If 6 boys can build 24 birdhouses in 2 days, how long would it take 12 boys to build 120 birdhouses?
Answer by ikleyn(52878) About Me  (Show Source):
You can put this solution on YOUR website!
.
"If 6 boys can build 24 birdhouses in 2 days," it means that the rate of work is 

24%2F%286%2A2%29 = 2 birdhouses per one boy per day.


Now it should be clear to you that the answer to your question is

120%2F%2812%2A2%29 = 5 days.

If you want to see more solved problems/samples of that kind, look into the lesson
    - Rate of work problems
in this site.