A father is 1 year younger than 3 times the age of his son . The son is 20 years old . Let F = the age of the father , what formula would calculate the fathers age ?

Respuesta :

F=3(20)-1 is the answer to your question
3 times his sons age-20    20x3
1 year younger -1     20x3-1
20x3-1=F