Question

10 years ago a man was twelve times as old as his son. And 10 years hence, the man wil be twice as old as his son. ​

Answer 1

Answer:

son age 10

man age 24 is it correct I am not sure.

Answer 2

Step-by-step explanation:

Present age

Of son = x

10 years ago

age of son = x-10

age of man= 12(x-10)

*Ten year years hence from past = 20 years because

Past. (---->+10years) present (--->+10years) future 10+10=20 years

10 years later

age of son= (x-10)+20

age of man= {12(x-10)} +20 = 2(x-10+20)

= 12x-120+20=2x-20+40

= 12x -100=2x+20

= 12x-2x=20+100

= 10x=120

= x=120/10

= x=12

present age of son = 12 years

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