Asked by Anonymous
A is half as old as B who is three times as old as C. how old is A
Answers
Answered by
bobpursley
a=b/2
b=3c
now if c is 20, b is 60, and a=30
So the question is, you need more information.
For three unknowns, it takes three equations.
b=3c
now if c is 20, b is 60, and a=30
So the question is, you need more information.
For three unknowns, it takes three equations.
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