Question 363745
S=short length
M=middle length
L=long length
{{{S+M+L=100}}}
.
.
.
{{{S=M-10}}}
{{{M=S+10}}}
.
.
{{{L=25+S}}}
Substitute,
{{{S+S+10+25+S=100}}}
{{{3S=65}}}
{{{S=65/3}}}
{{{M=S+10}}}
{{{M=65/3+30/3}}}
{{{highlight(M=95/3)}}}m