Of three positive numbers, the ratio of first and second is 8 : 9, that of second and third is 3 : 4. The product of first and third is 2400. The sum of the three number is = ?

Of three positive numbers, the ratio of first and second is 8 : 9, tha

1.	Of three positive numbers, the ratio of first and second is 8 : 9, that of second and third is 3 : 4. The product of first and third is 2400. The sum of the three number is = ?
A.	45
B.	85
C.	95
D.	55
Answer» B. 85