A computer's fan rotates 2000 times in 40 seconds. find the unit in rotations per second.
divide
You have two numbers. Do you think you should
add?
subtract?
multiply?
divide?
Which method gives the most reasonable answer?
rotations/second
is the way you write
number of rotations per second
Yes, we need to divide.
What answer do you get?
damon
A computer's fan rotates 2000 times in 40 seconds. find the unit in rotations per second
Did you divide 2000 by 40?
rotations/second