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anonymous
 one year ago
in a group of 100 students, 40 take physics, 60 take sociology and 80 take music. 7 students take physics and sociology, 46 students take sociology and music and 36 students take physics and music. If 6 students take all 3 courses, how many student take none of the courses?
anonymous
 one year ago
in a group of 100 students, 40 take physics, 60 take sociology and 80 take music. 7 students take physics and sociology, 46 students take sociology and music and 36 students take physics and music. If 6 students take all 3 courses, how many student take none of the courses?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1434748502318:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no it's not wtf go away

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0dw:1434748810143:dw

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0let me check it out again.

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0i wrote one of the figure wrong.

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0g =6; g + e =7; g+f = 46; d+g = 36 => e=1 f=39 d=30 a =40(e+g+d) = 40 (1+6+30) = 3 b =60(e+g+f) = 60 (1+6+39) = 14 c =80(f+g+d) = 80 (39+6+30) = 5 a+b+c+d+e+f+g+x = 100 3+14+5+30+1+39+6+x = 100 x =100 98 =2

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0the final answer @yomamabf I hope you'll get it

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0u are not watching closely I guess! i still did something wrong.

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0I calculated f wrong that means f = 40, b= 13 and c= 4 which makes the answer that is x 3 rather than 2. So, yes you are right.

princeharryyy
 one year ago
Best ResponseYou've already chosen the best response.0you know what I was trying to say when I said you were wrong @yomamabf
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