Nine years ago, P's age was twice the age of Q. If the ratio of their present ages is 5 ∶ 4, what is the sum of their present ages ?
1
35 years
2
40 years
3
30 years
4
27 years
Nine years ago, P's age was twice the age of Q. If the ratio of their present ages is 5 ∶ 4, what is the sum of their present ages ?