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A computer's fan rotates 2000 times in 40 seconds. Find the unit rate in rotations per second.
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A computer's fan rotates 2000 times in 40 seconds. Find the unit rate in rotations per second.

User Muzafarow
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speed=(number\ of\ revolutions)/(time)\\number\ of\ revolutions=2000\\time=40s\\\\ speed=(2000)/(40s)=50(rotations)/(second)\\\\Answer\ is\ 50(rotations)/(second).
User Glr
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A unit rate would be a ratio where 1 is the denominator . . .

(2000 rotations)/(40 sec)

2000/40

200/4

50 rotations/sec
User Dpr
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User Himanshu Kandpal
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A computer's fan rotates 2000 times in 40 seconds. Find the unit rate in rotations per second.
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