Read Charlie and Ben's coin counts from the graph. Find how many more Charlie needs to reach three times Ben's total.<br><br>
• From the graph, read Ben's coins and Charlie's coins.<br>
• Thrice of Ben's coins = Ben's coins &times; 3<br>
• Additional coins Charlie needs = (3 &times; Ben) &minus; Charlie's coins = 75<br>
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Final Answer: 75