Question 305800
{{{m + w = 45}}}
{{{w = (1/2)*m}}}
{{{m = 2w}}}
By substitution:
{{{2w + w = 45}}}
{{{3w = 45}}}
{{{w = 15}}}
and
{{{m = 2w}}}
{{{m = 30}}}
there are 30 men and 15 women