You collect baseball cards. Suppose you start out with 16. Since you're nice, you give John 5 baseball cards. How many baseball cards do you have at the end?  Pick:
A) 11  B) 12  C) 13  D) 14  E) 15
Solution   Start with 16 baseball cards.   John takes 5 baseball cards from you:   16 - 5= 
<gadget id="calculator">  16 - 5</gadget>
<output>11</output>
11 baseball cards.   So you have 11 at the end.   Correct answer : 11
<result>A</result>
You collect baseball cards. Suppose you start out with 16. Since you're nice, you give John 5 baseball cards. How many baseball cards do you have at the end?