Of the 200 employees at company X, 50 are full-time, and 150 have worked at company X for at least a year. There are 10 employees at company X who aren’t full-time and haven’t worked at company X for at least a year. How many full-time employees of company X have worked at the company for at least a year?	Choose the correct choice:
A) 20 B) 30 C) 10 D) 80 E) 100
200 employees   50 are full-time   150have worked at company X for at least a year   10 employees at company X who aren’t full-time and haven’t worked at company X for at least a year.   How many full-time employees of company X have worked at the company for at least a year?   200-50= 
<gadget id="calculator">200-50</gadget>
<output>150</output>
150 employees not full time   150-10= 
<gadget id="calculator">150-10</gadget>
<output>140</output>
140 employees not full time who worked over a year   150 employees have worked at company X for at least a year-140 employees not full time who worked over a year= 10 full-time employees of company X have worked at the company for at least a year   ans 10
<result>C</result>
Of the 200 employees at company X, 50 are full-time, and 150 have worked at company X for at least a year. There are 10 employees at company X who aren’t full-time and haven’t worked at company X for at least a year. How many full-time employees of company X have worked at the company for at least a year?