There are 48 cards in a pack and each card is either red or black

Ratio for red to black is 1:1
8 Red cards have been removed

Find the ratio or red to black cards in the pack now
Simplest form

The length of one side of the jewelry box  is 7 inches.

Step-by-step explanation:

The volume of he cube made = 343 cubic  inches

Let the side of the jewelry box made  =   k inches

Now, VOLUME OF A CUBE = SIDE x  SIDE x SIDE

⇒Here, the volume of the jewelry box in the shape of a cube  

= (k inches)  x (k inches)  x (k inches)

or, 343 cubic  inches  =  (k inches)  x (k inches)  x (k inches)

or,

or, k = 7 inches

Hence,  the length of one side of the jewelry box  is 7 inches.