you have some serious problems reading and understanding the question. Your comprehension skills are not very good.
"what would be the volume of a gas tank that has a density of 10 kg/liter and a mass of 3
kilograms?
density = mass/volume
a. 30
b. .3
c. 3
d. 15
e. no answer"
Sorry but if you answered anything other than b then you are wrong in this question.