Trenton sells electronic supplies. Each week he earns 190 dollars plus commission equal to 4 % of his sales. This week his goal is to earn no less than 500 dollars. Write and solve an inequality to find the amount of sales he must make to reach his goal.
<gadget id="calculator">500 - 190</gadget>
<output>310</output>

<gadget id="calculator">4 * 0.01</gadget>
<output>0.04</output>

<gadget id="calculator">310 / 0.04</gadget>
<output>7_750</output>

<result>7_750</result>