Question

A box contains 27 Marbles some are red and others are yellow. If a marble is drawn at random from the box, the probability of that it is a red is 1/3. Find the number of yellow Marbles in the box

Answer 1

the red marbles =9 as 9/27=1/3
So the yellow marbles =27-9=18
Hope it is helpful

Answer 2

Helllo!!

p(red)= x/27
1/3=x/27
=> x=9
27-9 = yellow marbles
    =18

hope it helps