Question

An adult human male's entire lung capacity is around 6 liters of air. In gallons, the average total lung capacity is.

• A. $1.65$
• B. $1.56$
• C. $156$
• D. $15.6$

Answer 1

The correct option is B $1.56$

Lung capacity $=6\text{L}$

Note:
$1\text{L}=0.26\text{gal}$
So,
$6\text{L}=0.26\times 6$
$=1.56\text{gal}$

Answer:
In gallons, the average total lung capacity is $1.56\text{gal}.$