3 years ago

What is the density of a liquid that has a volume of 4 gallons and weighs 90 lbs

1 answer:

3 0

The answer is 22.5 lb/gal.

The density of a liquid is quotient of mass and volume: D = m/V. The unit of the density is pound per gallon (lb/gal)

The density is unknown: D=?
But, we have:
mass: m= 90 lbs
volume: V = 4 gals

Do, the density of a liquid is:
D = 90 lbs / 4 gals
D = 22.5 lb/gal

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