SOLUTION: I came up with 840 but I don't know if that is right? Seven-twelfths of the students mispronounced the word chic. If 1440 knew how to pronounce this word,how many mispronounced it

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Question 547126: I came up with 840 but I don't know if that is right?
Seven-twelfths of the students mispronounced the word chic. If 1440 knew how to pronounce this word,how many mispronounced it?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
x=%287%2F12%29y, 1440=%285%2F12%29y
1440%2F5=%281%2F12%29y
y = total amount of students
288=%281%2F12%29y
288%2A7=2016 if 1/12 is 288 then 7 times 288 would be 7/12s
x=2016
check
2016%2B1440=4800
3456=y
%285%2F12%29y=1440
%285%2F12%293456=1440
1440=1440
correct
%287%2F12%293456=2016
2016=2016
correct