# The volume of a fish tank is 50 cubic feet. If the density is 0.5 fish over feet cubed, how many fish are in the tank?

**Solution:**

Given volume of fish tank = 50 cubic feet

Density = 0.5 fish over feet cubed

Density can be defined as the ratio of mass per unit volume

We know density = number/ volume

Number of fishes = density × volume

= 0.5 × 50

= 5 × 5

= 25

## The volume of a fish tank is 50 cubic feet. If the density is 0.5 fish over feet cubed, how many fish are in the tank?

**Summary: **

Thus, if the volume of a fish tank is 30 cubic feet and the density is 0.3 fish over feet cubed then the number of fish is 25

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