Question 1206653
first week start, M
spent {{{(3/5)M}}}
still has {{{(2/5)M}}}


second week start, {{{(2/5)M}}}
spent {{{(1/3)(2/5)M}}}
spent {{{(2/15)M}}}


Amount spent, {{{110=(3/5)M+(2/15)M}}}

{{{9M/15+2M/15=110}}}

{{{11M/15=110}}}

{{{M/15=10}}}


{{{highlight_green(M=150)}}}-----------What had before any spending


{{{150-110=highlight(40)}}}, what he had remaining after the two spendings