Respuesta :

apologiabiology
ken=63
sis=75
ken=?+sis
63=?+57
minus 57 both sides
63-57=?+57-57
60+3-50-7=?+0
60-50+3-7=?
10-4=?
6=?

6 more stickers
Pretty simple all you have to do is subtract the amount of Kendall's stickers by her sisters because you want to know how many more does she have than her sister.