Ratio for length, area and volume

Question

the ratio of the volume of cube A to cube B is 512 : 343. 

What is the ratio of the side of cube A to cube B? 

Answer 1

Ratio is 512:343

 

For a cube the volume is x³ since all sides are the same

 

A:  Side lengths are ³√512 = 8

B:  Side lengths are ³√343 = 7

 

Ratio of sides is 8:7