Paco had 26 salty cookies and 17 sweet cookies. He ate 14 sweet cookies and 9 salty cookies. How many salty cookies did Paco have left?
Paco had 26 salty cookies and 17 sweet cookies. 

He ate 14 sweet cookies and 9 salty cookies. 

That means he has 3 sweet cookies and 17 salty cookies left.