Sandy is younger than Molly by 6 years. If their ages are in the respective ratio of 7:9, how old is Molly?	Choose the correct choice from the following answers
A) 21
B) 24
C) 27
D) 36
E) 45
S = M - 6   S / M = 7/9   9S = 7M   9(M-6) = 7M   M = 27   The answer is 27.
<result>C</result>
Sandy is younger than Molly by 6 years. If their ages are in the respective ratio of 7:9, how old is Molly?