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Mathematics 8 Online
OpenStudy (mrcoolguy):

can someone pls check if i'm correct http://prntscr.com/bat2ci

OpenStudy (mysticfury):

id say you are correct since the mean , including the 50 is 76 and the mean without it is 78.8 which is about 79 - 76 = 3 so about 3 more :)

OpenStudy (mrcoolguy):

ok thanks

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