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Sam is 8 years older than Beth. Four years ago Sam was twice as old as Beth. How old is Sam now?

1 Answer

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Given:

Sam is 8 years older than Beth.

Four years ago Sam was twice as old as Beth.

To find the present age of sam:

Let x be the age of Beth.

So, the age of sam is x+8.

Then,

x+8-4=2(x-4)

x+4=2x-8

x=12

Hence, the age of Beth is 12.

Therefore, the present age of sam is 20.

User Ermin Dedovic
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