You collect baseball cards. Suppose you start out with 19. Maria takes half of one more than the number of baseball cards you have. Since you're nice, you give Peter 1 baseball card. Since his father makes baseball cards, Paul decides to triple your baseball cards. How many baseball cards do you have at the end?
Pick one.
A) 17
B) 18
C) 19
D) 20
E) 24
Solution   Start with 19 baseball cards.   Maria takes half of one more than the number of baseball cards you have. So Maria takes half of 19 + 1 which is 10,   so you're left with   19 - 10= 
<gadget id="calculator">  19 - 10</gadget>
<output>9</output>
9.   Peter takes 1 baseball card from you:  9 - 1= 
<gadget id="calculator"> 9 - 1</gadget>
<output>8</output>
8 baseball cards.   Paul triples the number of baseball cards you have: 8 Ã— 3= 24 baseball cards.   So you have 24 at the end.   Correct answer : 24
<result>E</result>
You collect baseball cards. Suppose you start out with 19. Maria takes half of one more than the number of baseball cards you have. Since you're nice, you give Peter 1 baseball card. Since his father makes baseball cards, Paul decides to triple your baseball cards. How many baseball cards do you have at the end?