lucigerald1234 lucigerald1234
  • 24-06-2020
  • Mathematics
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The age of father is 4nyears.If the age of his daughter is(2n-9)years.find their total age.​

Respuesta :

princemike6566
princemike6566 princemike6566
  • 26-06-2020

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

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