Correct Answer: 30
Explanation:
Then, A:B = 2:3 and B:C = 5:8 = (5 x 3/5) : (8 x 3/5) = 3:24/5 A:B:C = 2:3:24/5 = 10:15:24 => B = 98 x 15/49 = 30.