A sack contains red and blue marbles. The ratio of red marbles to blue marbles is 4:3. If there are 16 red marbles in the sack, how many blue marbles are in the sack?

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Answer 1 · 2017-06-28T11:31:31

Blue marbles = 12

$R a t i o = 4 : 3$ $Ratio = 4:3$

$R a t i o = \frac{4 \to r e d}{3 \to b l u e}$ $Ratio = (4-> color(red)(red))/(3->color(blue)(blue))$

Let $x$ $x$ represent the no. of blue marbles..

$:.$ $4/3 = 16/x$

$4 xx x = 16 xx 3$

$4x = 48$

$x = 48/4$

$x = 12$