Arectangular prism has a length of 4.2 cm, a width of 5.8 cm, and a height of 9.6 cm. a similar prism has a length of 14.7 cm, a width of 20.3 cm, and a height of 33.6 cm. the dimensions of the smaller prism are each multiplied by what factor to produce the corresponding dimensions of the larger prism?

A rectangular prism has a length of 4.2 cm, a width of 5.8 cm, and a height of 9.6 cm. A similar prism has a length of 14.7 cm, a width of 20.3 cm, and a height of 33.6 cm.
The dimensions of the smaller prism are each multiplied by what factor to produce the corresponding dimensions of the larger prism?   
     1
3   --
     2 

I'd say it's "A) 3 1/2". It's actually pretty simple to do, when you multiply the first set of numbers by 3.5, you get the numbers from the second set.