SOLUTION: What Number increased by 12% and then decreased by 12% = 86.7328 I can't set up the equation properly, Thanks in advance for your help.

Question 575970: What Number increased by 12% and then decreased by 12% = 86.7328
I can't set up the equation properly, Thanks in advance for your help.
Found 2 solutions by josmiceli, ankor@dixie-net.com:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the number
the number increased by 12% is:

Now this number decreased by 12% is:

given:

check:

OK
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
What Number increased by 12% and then decreased by 12% = 86.7328
:
an increase of 12%, the multiplier is 1.12
a decrease of 12%, the multiplier is .88
:
.88(1.12x) = 86.7328
.9856x = 86.7328
x =
x = 88
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