Grady marks down some $4.09 pens to $3.59 for a week and then marks them back up to $4.09. Find the percent of increase and the percent of decrease to the nearest tenth. Are the percents of change the same for both price changes? If not, which is a greater change? Complete the explanation, and round your percents to the nearest tenth.
The first change was
a decrease
of
0.1
% and the second change was
an increase
of
%. The two percent changes
are not
the same, and the
second
percent change is greater.