Question 319240
Let {{{h}}} = cost of haircut
Let {{{p}}} = cost of perm
given:
{{{h + p + 5 = 50}}}
{{{p = 2h}}}
By substitution:
{{{h + 2h + 5 = 50}}}
{{{3h = 45}}}
{{{h = 15}}}
{{{p = 2h}}}
{{{p = 30}}}
The haircut costs $15 and the perm costs $30