A clothing design company pays two different people to design its T-shirts.
The company pays person A $10 an hour and pays person B $12. Person A
cannot work more than 5 more hours than person B, but they cannot work
more than 30 hours total. Person A makes the company a profit of $15 an
hour, and person B makes the company a profit of $20 an hour. If the
company wants to make at least $250 in profit, which value will minimize the
cost to the company? (Each point is (a, b), where a is the hours person A
works and bis the hours person B works.)
A. (0, 12.5)
B. (0, 30)
C. (10,20)
O D. (17.5, 12.5)