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Answer 1

Answer:

Let Father's age = A

Let Father's age = A Let Son's age = B

Age After 5 years ::

Father's = A + 5

Son's = B+ 5

Age Before 5 years ::

Father's = A - 5

Son's = B - 5

Now According To Question ::

Case 1)

Father's Age After 5 years= 3(Son's age after 5 years )

A + 5 = 3(B + 5)

A + 5 = 3B + 15

A - 3B = 10. ------ 1

Case 2)

Fathers Age before 5 years = 7(Son's age before 5 years)

A - 5 = 7(B - 5)

A - 5 = 7B -35

A - 7B = -30

30 = - A + 7B. ------ 2

Add 1 and 2

A - 3B - A + 7B = 10 + 30

4B = 40

B = 10

Put B in 1

A - 3(10) = 10

A - 30 = 10

A = 40

Therefore..

Fathers Present Age = 40 years

Fathers Present Age = 40 yearsSon's Present Age = 10 years

Explanation:

Hope you find it helpful..❤️❤️

Answer 2

Answer:

i had work hard put brainllest

Explanation:

fathers age will be 40

sons age will be 10