Question

Anna Beth has a freshwater fish tank and a saltwater fish tank. They are both cubes. The side length of the
freshwater tank is 15 cm. The side length of the saltwater tank is 45 cm. How many times larger is the volume of
the saltwater tank than the volume of the freshwater tank? (1 point)

27

O 30

O

3

9

Answer 1

Volume scales with the cube of side length. Ratio = (45/15)^3 = 3^3 = 27. So the saltwater tank is 27 times larger.