SOLUTION: If 6 machines take 4 hours to complete a task, how many machines does it take to complete the same task in 1 hour? 6/4= 2.5 2.5*6= 15 15 machines?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If 6 machines take 4 hours to complete a task, how many machines does it take to complete the same task in 1 hour? 6/4= 2.5 2.5*6= 15 15 machines?       Log On


   



Question 753454: If 6 machines take 4 hours to complete a task, how many machines does it take to complete the same task in 1 hour?
6/4= 2.5
2.5*6= 15
15 machines?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
I can express it like this:
6 machines take 4 hrs to do 1 job
-----------------------------
I can say that 4 times as many machines will
do 1 job in 1/4 the time, so:
24 machines will take 1 hr to do 1 job