math
posted by Anonymous .
Find the percent of the increase or decrease.
Original:4500
New:4005
the percent is lower which is 40%
Set it up in words:
4005 is what percent of 4500?
Now make the words into numbers:
4005=4500x
x=0.89
89% decrease.
If you don't get it please let me know. :)
If 4005 is 89% of 4500, then the percent decrease must have been 100  89 = 11%. Another way of doing the same thing is:
difference is decrease of 45004005 = 495.
[495/4500] x 100 = 11%
Oh right, sorry forgot the last step
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