Question 985820
<font face="Times New Roman" size="+2">


No.  50% off and then an additional 40% off is not 90% off. First you take off 50%.  Then you take 40% off of the 50% that remains.


Start with $90 and take off 50%, you have $45.  Then take off 40% of the $45.  0.4 times 45 is 18.  45 minus 18 is 27.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \