To get the fraction that is white, we subtract the given fractions from one, i.e.
1 - (
= 1 -
of all the balls are white.
of x is 26,
=> 13x = 624
= x = 48
There are 48 marbles in the bag.
Question says, how many red marbles are there?
Well, one-twelfth of the marbles is red, that means;
× 48 is red
= 4 red marbles.