SOLUTION: 4 girls Marry, Jill, Ann and Susan participated in the concert. They sang songs. Every song was performed by three of the girls. Mary sang 8 songs, which was more than anybody. Sus
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Question 1064065: 4 girls Marry, Jill, Ann and Susan participated in the concert. They sang songs. Every song was performed by three of the girls. Mary sang 8 songs, which was more than anybody. Susan sang 5 songs, which was the least of all the girls. How many different songs were performed at the concert?
(I think it's 9)
Answer by ikleyn(52754) (Show Source): You can put this solution on YOUR website!
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