SOLUTION: if a piece of equipment is making 1 complete revolution every 15 seconds what is the rpm? (revolution per minute)?

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Question 14581: if a piece of equipment is making 1 complete revolution every 15 seconds what is the rpm? (revolution per minute)?
Answer by Alwayscheerful(414) About Me  (Show Source):
You can put this solution on YOUR website!
There are 60 seconds in 1 minute.
There is 1 rpm per 15 seconds
There are 4 "15 second periods" per minute.
There is 1 prm per 15 seconds
There is 4 rpm per minute.
Hope this helps!