Question

sum of age of father and son is 48 the father is three times that of his son find their present ages that I want in cross multiplication and substitution​

Answer 1

x+3x=48

4x=48

x=12

son age=12

father age=36

Answer 2

Answer:

Step-by-step explanation:

let the age of father be x years then the age of the son will be x/3 years.

according to the first condition,

x+x/3=48

3x+x=144

x=36yrs

and the age of son is 12 yrs

hope it helps!!!