Question

the present age of a and b are in the ratio 5 :6 .Threeyears ago their ages were in the ratio 4 :5 find their present ages​

Answer 1

Step-by-step explanation:

Let present age of a and b be 5* and 7* .

A\q

Three years ago their ages in ratio 4 ratio 5.

so, 5* - 3 / 7* - 3 = 4/5

5(5*-3) = 4(7*-3)

25*-15 = 28*-12

28*-25*= -15+12

3* = -3

* = -3/3

-1 ans