The age of father is 4nyears.If the age of his daughter is(2n-9)years.find their total age.

Question

asked Mar 14, 2021 168k views

1 Answer

Musefan · Answer 1 · 2021-03-20T16:51:10+0000

Answer:

4n+(2n-9)

4n+2n-9

6n-9 =the total age

6n=9

divide by 6 both sides.

n=9/6

n=1.5 years.

substitute the value of n in the age of the father and the daughter.

Age of father=4×1.5

6years.

Age of Daughter = (2×1.5)-9

3-9

=-6 years

Total age

6-6=0