Question

Five years ago, a man was seven times as old as his , while five year hence , the man will be four times as old as his son. Their persent age is 75,15. How is it comes ?

Answer 1

Answer:

15,75

Step-by-step explanation:

let 5 years ago age of son was = x

man = 7x

their present age, x + 5, 7x + 5

5 years hence/after ,

7x + 10 = 4 × ( x + 10)

3x = 30 => x = 10

their present ages are

son = (x + 5) = 10 +5 = 15 &

man = 7x + 5 = 7(10) + 5 = 75