Answer :

mariamikayla
[tex]3*11=33 \$ -costs \ the \ pies \\ \\ 50-33= \boxed{17 \$ -is \ my \ change}[/tex]
Geekhawk
The answer is $17
To get the answer, it's 3*$11=$33
Then you minus that from $50($50-$33=$17)
$17 is your change