SOLUTION: Roy told Sam, i was 10 years older than you are now, when you were born. My present age is 50 yrs . Find Sam's present age ??

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Question 604593: Roy told Sam, i was 10 years older than you are now, when you were born. My present age is 50 yrs . Find Sam's present age ??
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = Sam's age now

Then Sam was born x years ago.

Roy's age x years ago was 50-x.

Roy's age x years ago was Sam's age plus 10 years, so

50-x = x+10

Solve that and get x=20

Checking (always check a word problem with the WORDS and using
basic elementary school math, not the equation!)   

Roy is 50, so 20 years ago when Sam was born, Roy was 30, 
which is indeed 10 years older than Sam is now.

Edwin