Question

31) A man is thrice as old as his son. Four years ago, the man was four times as old as his son, find their present ages.​

Answer 1

Step-by-step explanation:

i solved it see in figure

Answer 2

Answer:

Let the son's age be x

Father's age is thrice = 3x

Four years ago

3x+ 4 = 4x

3x-4x=-4

-x=-4

x=4

Son's age = 4years

Father's age= 3×4= 12 years