Question 749934: I am 40 years old, and that means I am twice as old now as Kat was when I was as old as Kat is now. How old is kat. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = Kat's age now in years
The difference in our ages is ( and always was )
When I was as old as Kat is now, I was years old
Kat is younger by the difference in our ages, so Kat was
I am twice as old as that now, so I am
I am now, so
Kat is 30
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check answer:
When I was as old as Kat is now, I was
That was years ago, so Kat was
Am I twice that age? Yes, I am
OK