Question 1197075


let amount John receive be {{{x}}}
 
then Mary receive {{{2x}}} and  Sarah receive {{{2x}}} 

all together share {{{150 }}}, so we have

{{{x+2x+2x=150}}}

{{{5x=150}}}

{{{x=30}}}

then {{{2x=60}}} 

so, 

John receive  {{{highlight(30)}}}=> answer
Mary receive {{{60}}} 
Sarah receive {{{60}}}