SOLUTION: A is 12 year old, B is 24 year ols. how many years ago was B's age 3 times that os A?

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Question 903674: A is 12 year old, B is 24 year ols. how many years ago was B's age 3 times that os A?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x the number of years ago
24-x= 3(12-x)
2x = 12
x = 6 years ago
And..checking... 6 years ago ...
18 = 3*6