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Beethoven wrote 9 trios. These trios make up 20% of music pieces he wrote. How many pieces of music did he write?
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Feb 24, 2017
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Beethoven wrote 9 trios. These trios make up 20% of music pieces he wrote. How many pieces of music did he write?
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He would have written 45 pieces
As 20% is 1/5 of a 100%, so 9x5=45
JNevens
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