Question

X is 40 years old and y is 60 years old. How many yars ago was the ratio of their ages 3:5

Answer 1

Thus, 10 years ago, their ages are in the ratio 3 :5

Step-by-step explanation:

As per as the question,

   3x + 5x = 40-x + 60-x

8x + 2x = 100

10x = 100

 x = 10 years

Thus, 10 years ago, their ages are in the ratio 3 :5