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 40 white marbles. How many red marbles could be in bag A?  Pick:
A) 8
B) 3
C) 4
D) 6
E) 8
6 is the answer.   Bag 8-   R:W:B = 2:6:9   Let W in bag 8 be 6K   Bab B -   R:W = 1:3   Let W in bag B be 4k   W = 30 = 6K+4k=&gt; k =40/10= 
<gadget id="calculator">40/10</gadget>
<output>4</output>
4   Total Red's in bag 8 will be 2K= 8   8
<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 40 white marbles. How many red marbles could be in bag A?