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DecentNabeel
 one year ago
please help me
DecentNabeel
 one year ago
please help me

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what is the question

DecentNabeel
 one year ago
Best ResponseYou've already chosen the best response.0Consider multiple people in a band 10 play the flute 11 play the recorder 14 player the guitar 3 play all the instrument 20 player only one instrument how many play exactly 2 instrument

MrNood
 one year ago
Best ResponseYou've already chosen the best response.1dw:1439658080442:dw start here

MrNood
 one year ago
Best ResponseYou've already chosen the best response.1you need 11 more guitars 7 more flutes 8 more recorders total 26  but only 20 of those fit in one of the the 'single instrument' categories

DecentNabeel
 one year ago
Best ResponseYou've already chosen the best response.0mean 6 is the answer .. @MrNood

DecentNabeel
 one year ago
Best ResponseYou've already chosen the best response.0@ganeshie8 @Miracrown

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439714394819:dw

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.0You're given : ``` a+b+d+3 = 10 a+c+e+3 = 11 b+c+f+3 = 14 d+e+f = 20 ``` and you need to find out `a+b+c`

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.0Easy, add up the first 3 equations : a+b+d+3 = 10 a+c+e+3 = 11 b+c+f+3 = 14  2(a+b+c) + d+e+f + 9 = 35 2(a+b+c) + d+e+f = 26 2(a+b+c) + 20 = 26 2(a+b+c) = 6 a+b+c = 3
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