Answers

2016-06-23T17:35:37+08:00
  let x = amount she had at first
     spent 2/7 x  for snacks
     remaining  5/7 x
spent 1/5 of what remain for fare,   that is       1/5*5/7 x =  1/7 x
    so 1/7 x  is what remain
       thus 1/7 x  =   6
                     x  =  6*7  =    P 42
       she has  P 42 at first
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2016-06-23T19:53:11+08:00
Hahahahahaha. i really dont know
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