The ratio of the ages of A and B, 3 years ago, was 5 : 7. The ratio of their ages, 13 years from now, will be 9 : 11. If the present age of C is 11 years less than that of B, then the present age of C, in years, is:
A
31
B
20
C
23
D
36
1-4 select • Enter submit • ⌫ clear
Question: The ratio of the ages of A and B, 3 years ago, was... - PrepLeague