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Bernard bowled an average of 150 points a game for 12 games. If he bowls 6 more games, how high an average must he make in these games to raise his average (arithmetic mean) for the 18 games to 160. Explain
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Bernard bowled an average of 150 points a game for 12 games. If he bowls 6 more games, how high an average must he make in these games to raise his average (arithmetic mean) for the 18 games to 160. Explain your answer.

User JoshFinnie
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150 * 12 = 1800. 18 * 160 = 3040. 3040 - 1800 = 1240. 1240 / 6 = 206.6666666666.
User Koxzi
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