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简答题 GRE

2012-10-18

In a certain collection，there are 74 coins，each with 0．3 0unces of pure gold．If gold costs$800 perounce，what is the value of the coins?

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答案解析

E．Each coin is worth0．3×$800=$240．The value of all74 coins is thus 74×$240=$17．760．

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