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
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