A student argues that a p% increase in salary followed by a q% decrease is equivalent to a q% decrease followed by a p% increase because of the commutative property of multiplication. How do you respond?
MATH1112 - Steve, Thursday, September 4, 2014 at 12:21am
In the first case, we have
In the second case, we have
Looks the same to me, and for the stated reason.