SOLUTION: I have bee trying to figure this problem out for hours. Please help. From 2005 to 2007, enrollment at a university decreased by 2%. If enrollment in 2007 was 8771 students, what w

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Question 582370: I have bee trying to figure this problem out for hours. Please help.
From 2005 to 2007, enrollment at a university decreased by 2%. If enrollment in 2007 was 8771 students, what was the enrollment in 2005?

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
From 2005 to 2007, enrollment at a university decreased by 2%.
If enrollment in 2007 was 8771 students, what was the enrollment in 2005?
:
Let x = enrollment in 2005
the multiplier for 2% drop is .98
:
This occurred for 2 yrs so we have:
:
x*.98^2 = 8771
x * .9604
x = 8771%2F.9604
x = 9,133 students in 2005