the average marks of 28 student in mathmatics was 50 . 8 student left the school then this average increased by 5 . what is the average of marks obtained by the student who left the school
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"The best sleeping pill is a clear conscience"...
plz dont report the answer already soo many are deleted
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ᴛʜᴇ ᴀᴠᴇʀᴀɢᴇ ᴏғ ᴍᴀʀᴋs ᴏʙᴛᴀɪɴᴇᴅ ʙʏ ᴛʜᴇ sᴛᴜᴅᴇɴᴛs ᴡʜᴏ ʟᴇғᴛ ᴛʜᴇ sᴄʜᴏᴏʟ ɪs 37.5
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