Question 1102718
{{{C=0.8D}}}
.
.
{{{D=0.5M}}}
.
.
{{{M=20}}}
So,
{{{D=0.5(20)}}}
and
{{{C=0.8(0.5)(20)}}}
So,
{{{C+D+M=0.8(0.5)(20)+0.5(20)+20}}}
{{{C+D+M=20(0.8(0.5)+0.5+1)}}}
Work that out for the solution