PLS HELP FIRST TO ANSWER GETS BRAINLEST

First, divide the amount of marble by 3 (48/3)

You get 16 marbles

16 is one-third of 48

If the probability of getting a blue is 2/3, multiply 16 by 2

You get 32

Therefore,

There are 32 Blue marbles and 16 White marbles in the bag.

i hope this is what you were looking for.

see attached graph