Well, first you see what increase means which is become or make greater size.
and decrease is make smaller size.
so then you add 104 and 22 and you get 126. then subtract 120 and 25 then you get 95.
Hope that helped.
Use the percent of change to find the new amount.
$104 increased by 22%
120 brushes decreased by 25%
2 answers
104 + .22(104)
120 -.25(120)
120 -.25(120)