A factory produces x widgets per day. The factory's fixed costs are $7000 per day. The price per widget is $80 and the variable costs are $20 per widget. How many widgets need to be produced for profits of $6200 a day?	Pick one
A) 42.33	B) 90.33	C) 168	D) 220	E) 400
profits=6200=60x-8000 --&gt; x=220   Answer 220.
<result>D</result>
A factory produces x widgets per day. The factory's fixed costs are $7000 per day. The price per widget is $80 and the variable costs are $20 per widget. How many widgets need to be produced for profits of $6200 a day?