He sold 12 coins, 16+28+32+4=80. 15% of 80 is 12
Answer: 12 coins
Step-by-step explanation:When you add up all the coins you get 80. 15% of 80 is 12.
George has a total of 80 coins in his collection. He sells 15% of his coins, which equals 12 coins. Thus, George sold 12 coins.
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