Question 717264
Let {{{ C }}} = manufacturer's cost
Let {{{ P }}} = profit
Selling price = cost + profit
given:
{{{ P = .4C }}}
{{{ 168 = C + .4C }}}
{{{ 168 = C*( 1 + .4 ) }}}
{{{ 1.4C = 168 }}}
{{{ C = 168/1.4 }}}
{{{ C = 120 }}}
The manufacturer's cost was $120