You have just jumped into the ocean after your boat began to sink. Luckily, you found an air tank before you jumped. Unluckily, the air tank has been used. The gauge says there is now exactly 30,000mL of air left in the tank. Fortunately, you know how to meditate and you've calmed yourself to the point where you are only taking normal, resting breaths. How many times can you inspire at this normal volume before the tank runs out?
A)27 times
B)6 and a half times
C)60 times
D)10 times

Question

Quizplus · Accepted Answer

On average, a person's resting breath takes about 500mL of air. If there are 30,000mL of air left in the tank, this means there are 30,000/500 = 60 breaths left in the tank. Therefore, the correct answer is C) 60 times.

You Have Just Jumped into the Ocean After Your Boat