Question 1100363
Let {{{ a }}} = amount Martha has currently
Let {{{ b }}} = amount Jeremy has currently
Let {{{ c }}} = amount Susanne has currently
---------------------------------------
(1) 
{{{ a  = 40 }}}
{{{ b = 50 }}}
{{{ c = 60 }}}
----------------
(2)
Martha gives 2/5 of her money to Jeremy
{{{ a = 40 - (2/5)*40 }}}
{{{ a = (3/5)*40 }}}
{{{ a = 24 }}}
and
{{{ b = 50 + (2/5)*40 }}}
{{{ b = 50 + 16 }}}
{{{ b = 66 }}}
{{{ c = 60 }}}
--------------------------
(3)
Jeremy gives 1/3 of his money to Suzanne
{{{ a = 24 }}}
{{{ b = 66 - (1/3)*66 }}}
{{{ b = (2/3)*66 }}}
{{{ b = 44 }}}
and
{{{ c = 60 + (1/3)*66 }}}
{{{ c = 60 + 22 }}}
{{{ c = 82 }}}
---------------------------
(4)
{{{ a = 24 + (1/2)*82 }}}
{{{ a = 24 + 41 }}}
{{{ a = 65 }}}
and
{{{ b = 44 }}}
{{{ c = (1/2)*82 }}}
{{{ c = 41  }}}
----------------------------
(5) 
{{{ a = 65 }}}
{{{ b = 44 }}}
{{{ c = 41 }}}
---------------
M. has 65
J has 44
S has 41