You collect baseball cards. Suppose you start out with 16. Since you're nice, you give John 3 baseball cards. How many baseball cards do you have at the end?	Answers:	A) 11	B) 12	C) 13	D) 14	E) 15
Solution   Start with 16 baseball cards.   John takes 3 baseball cards from you:   16 - 3= 
<gadget id="calculator">  16 - 3</gadget>
<output>13</output>
13 baseball cards.   So you have 13 at the end.   13orrect answer : 13
<result>C</result>
You collect baseball cards. Suppose you start out with 16. Since you're nice, you give John 3 baseball cards. How many baseball cards do you have at the end?