Sachin is younger than Robert by 4 years. If their ages are in the respective ratio of 7:9, how old is Sachin?
Select
A) 24.5 B) 32 C) 25 D) 28 E) 30
Let Robert's age be x years   Then sachin's age = x-7 years   (x-7)/x = 7/9   x = 31.5   Sachin's age = x-7 = 24.5 years   24.5nswer is 24.5
<result>A</result>
Sachin is younger than Robert by 4 years. If their ages are in the respective ratio of 7:9, how old is Sachin?