Bag A contains red, white and blue marbles such that the red to white marble ratio is 1:3 and the white to blue marble ratio is 2:3. Bag B contains red and white marbles in the ratio of 1:4. Together, the two bags contain 18 white marbles. How many red marbles could be in bag A?
Choose the correct choice from the following options
A) 2	B) 3	C) 4	D) 6	E) 8
6 is the answer.   Bag 2-   R:W:B = 2:6:9   Let W in bag 2 be 6K   Bab B -   R:W = 1:4   Let W in bag B be 4P   W = 18 = 6K+4P   =&gt; K =1, P=3   Total Red's in bag 2 will be 2K = 2   2
<result>A</result>
Bag A contains red, white and blue marbles such that the red to white marble ratio is 1:3 and the white to blue marble ratio is 2:3. Bag B contains red and white marbles in the ratio of 1:4. Together, the two bags contain 18 white marbles. How many red marbles could be in bag A?