Answers

2014-02-24T08:42:55+01:00
To get the fraction that is white, we subtract the given fractions from one, i.e.

1 - ( \frac{1}{4}\frac{1}{8}  + \frac{1}{12} )

= 1 - \frac{11}{24}

= \frac{13}{24}

That means, \frac{13}{24}  of all the balls are white.

If \frac{13}{24} of x is 26,
then \frac{13x}{24} = 26
=> 13x = 624
=> \frac{13x}{13} = \frac{624}{13}
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;

\frac{1}{12} × 48 is red
= 4 red marbles.

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