You collect balls. Suppose you start out with 16. Mike gives you another 17 balls. How many balls do you have at the end?	Choose the correct choice from the following choices
A) 33 B) 34 C) 35 D) 36 E) 37
Solution   Start with 16 balls.   Mike gives you 17 balls:   16 + 17= 
<gadget id="calculator">  16 + 17</gadget>
<output>33</output>
33 balls.   So you have 33 at the end.   Correct answer: 33
<result>A</result>
You collect balls. Suppose you start out with 16. Mike gives you another 17 balls. How many balls do you have at the end?