Doctor J. is considering purchasing a new blood analysis machine to test for HIV; it will cost $60,000. He estimates that he could charge $25.00 for an office visit to have a patient's blood analyzed, while the actual cost of a blood analysis would be $5.00. How many HIV blood analyses would he have to perform in order to make a profit of $15,000?
A)3,000
B)4,800
C)5,000
D)12,000
E)3,750

Question

Quizplus · Accepted Answer

To make a profit of $15,000 on top of the $60,000 cost of the machine, Doctor J. needs to earn a total of $75,000. Each analysis nets a profit of $20 ($25 charge - $5 cost). To find out how many analyses are needed to reach $75,000, divide $75,000 by $20, which equals 3,750 analyses.

Doctor J Is Considering Purchasing a New Blood Analysis Machine to to Test