Find ratio of volume of cube A to volume of cube B if side of cube A is three times than the side of cube B.

Explanation

Let side of cube B=` a`
Then Volume` = a^3`
and side of cube A `= 3a`
Volume `= 3a*3a*3a=27a^3`
∴Ratio of volume's A and B
`= 27a^3/a^3`
= `27:1`