Question 546479
m=middle l=largest s=smallest
{{{m=45}}}
{{{l=15+2s}}}
{{{180=m+l+s}}}
above is known
use substitution and solve for s
{{{180=45+15+2s+s}}} add like terms
{{{180=60+3s}}} subtract 60
{{{120=3s}}} divide by 3
{{{40=s}}}
{{{l=15+2s}}}
{{{l=15+2(40)}}}
{{{l=15+80}}}
{{{l=95}}}