Carolyn works for a delivery service company that hires on a contract basis. In May, they hired 40 employees, paying each employee $15 per hour for a 40-hour workweek. In June, 1/4 of the employees' contracts expired. Calculate the total amount of money the company paid to the employees in the two months.
When hired, each employee is paid $15*40 = $
<gadget id="calculator">15*40</gadget>
<output>600</output>
600 per week.
The total earnings of a contracted employee in a month are 4 weeks * $600 per week = $
<gadget id="calculator">4*600</gadget>
<output>2_400</output>
2400.
Paying 40 employees, the company paid 40*$2400= $
<gadget id="calculator">40*2400</gadget>
<output>96_000</output>
96000 to all of its contract employees in May.
In June, 1/4 of the employees' contracts expired, that is 1/4*40 = 
<gadget id="calculator">1/4*40</gadget>
<output>10</output>
10 employees.
The total number of employees whose contracts were valid in June was 40-10 = 
<gadget id="calculator">40-10</gadget>
<output>30</output>
30 employees.
The total amount of money paid to the contracted employees in June is 30*$2400 = $
<gadget id="calculator">30*2400</gadget>
<output>72_000</output>
72000.
In the two months, the company paid a total of $72000+$96000 = $
<gadget id="calculator">72000+96000</gadget>
<output>168_000</output>
168000.

<result>168_000</result>