Mathematics, 16.04.2020 19:26, myhomeacc32

The music center had 200 instruments. 70% of them were violins and the remaining are guitars. After a large sale of violins, the number of violins was 60% of all instruments. How many violins were sold??

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The music center had 200 instruments. 70% of them were violins and the remaining are guitars. After...