A computers fan rotates 2000 times in 40 seconds. How do you find the unite rate in rotations per second? Prealgebra Ratios, Proportions, Units and Rates Unit Conversions 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"# Answer link Related questions How do you convert 73 mi/h = ____km/s? Every morning for breakfast, Mika drinks 20 cL of orange juice. How many milliliters of orange... David takes 300 milligrams of medicine every day. How many grams is this? A manufacturer ships its product in boxes with edges of 4 inches. If 12 boxes are put in a... How many feet is 15 miles? How many feet in a mile? How many meters in a mile? How many feet are in .55 miles? How many miles are in 100 feet? How do you find out how many feet are in a mile? See all questions in Unit Conversions Impact of this question 3473 views around the world You can reuse this answer Creative Commons License