Answers

2014-03-09T21:47:47+05:30
LET THE NUMBERE OF FRIEND WENT AT HOTESL=X
=>BILL PER HEAD= 2400/X
BUT..
  2 FRIEND FORGET TO BRING WALLET
  =>NOW BILL BER HEAD=
  2400/X +100
  2400/X=2400/X+100
 SOLVE EYATION AND YOU ARE DONE
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