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Mathematics, 22.06.2019 18:00, helvonka
40 percent of the students at rockledge middle school are musicians. 75 percent of those musicians have to read a sheet music when they play instruments. if 38 of the students can play their instruments whithout reading sheet music, how many students are there at rockledge middle school?
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40 percent of the students at rockledge middle school are musicians. 75 percent of those musicians h...
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