A computers fan rotates 2000 times in 40 seconds. How do you find the unite rate in rotations per second?

1 Answer
Alan P.
Nov 7, 2016

#50# rotations per second

Explanation:

#2000" rotations"# in #40 " seconds"#
could be written as
#color(white)("XXX")(2000" rotations")/(40" seconds")#

#color(white)("XXX")=(cancel(200)^50cancel(0)" rotations")/(cancel(4)cancel(0)" seconds")#

#color(white)("XXX")=50 "rotations"/"second"#

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