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57. The ratio of a to b is 3 to 1, and the ratio of b to c is 6 to 1.

(2a + 3b)/(4b + 3c)

A. 1/3
B. 9/22
C. 8/9
D. 2
E. 24/7

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Answer:

Explanation:

B.9/22

User Christian Hudon
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