Answers

2014-12-06T19:34:55+05:30
let the  total money be  x
spent on dictionary=x/5
left with him x/2
Given to brother  x-x/2-x/5=21
                           ⇒ 3x/10=21
                           ⇒ x=70
Money left with him=70/2=35$

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