Question

The ratio of A's and B's income last year
was 3:4. The ratio of their own incomes of
last year and this year is 4:5 and 2:3,
respectively. If the total sum of their
present incomes is * 4160, then find the
present income of A.
(a) * 1600
(b) *6500
(c) * 2500
(d) * 41600​

Answer 1

Answer:

Please see the attachment