SOLUTION: Billy is 3 times as old as Katherine and Billy is 10 years older than Katherine.

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Question 1072864: Billy is 3 times as old as Katherine and Billy is 10 years older than Katherine.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
system%28b=3k%2Cb=k%2B10%29

Two expressions for b are equal.


k=5
b=15