Eighteen years ago the ratio of A’s age to B’s age was 8:13. Their present ratio is 5 : 7; What is the present age of A

Eighteen years ago the ratio of A’s age to B’s age was 8:13. Their

1.	Eighteen years ago the ratio of A’s age to B’s age was 8:13. Their present ratio is 5 : 7; What is the present age of A
A.	60
B.	70
C.	50
D.	40
Answer» D. 40