Charlie wants to give Andy some coins so both have the same number. The amount to give is half the difference between their coin counts.<br><br>
• From the graph, read how many coins Charlie has and how many Andy has.<br>
• Find the difference: Charlie's coins &minus; Andy's coins.<br>
• Coins to give = Half of the difference = Difference &divide; 2<br>
<br>
Final Answer: 50