write as equation and solve

Question

mario is 6 and his father is 34 how long will it be before his father is three times as old as mario

Answer 1

Mario is 6.

Father is 34.

M= x+6

F= x + 34

F/M=3

(x+34)/(x+6) = 3

x+34 = 3(x + 6)

x+34 = 3x +18

16 = 2x

x = 8

Answer is 8 years.

Answer 2

3(6+n)=(34+n)

18 + 3n = 34 + n

2n = 16

n=8 (years)