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Helen [10]
3 years ago
13

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

Mathematics
1 answer:
8_murik_8 [283]3 years ago
4 0

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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