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)
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Three years ago
was four times as old as
.
.......eq.1
If
is today
years old:
.......eq.1
....substitute
..old today
last year
old