Question 1066768
profit is revenue minus cost.


Revenue:  {{{0.48x}}}


Cost:  {{{0.38x+68}}}


Profit, {{{highlight(P(x)=0.48x-0.38x-68)}}}
{{{P(x)=0.1x-68}}}
Unit for P is in dollars.



If you want the break even quantity of newspapers, cost and revenue are equal, and P=0.