SOLUTION: Three years ago A was four times as old as B. If B is today 11 years old. How old was A last year?
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Question 732292: Three years ago A was four times as old as B. If B is today 11 years old. How old was A last year?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Three years ago was four times as old as .
.......eq.1
If is today years old:
.......eq.1
....substitute
..old today
last year old
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