Problem: The sum of three numbers is 98. The ratio of the first to the second is 32​, and the ratio of the second to the third is 85​. The second number is:
Answer Choices:
A. 15
B. 20
C. 30
D. 32
E. 33
Solution:
Let 10m,15m,24m be the three numbers. Then 10m+15m+24m=98,∴m=2 and 15m=30.