SOLUTION: Ten years ago, Bob was three times as old as Anna. Today, he is twice as old as Anna. How old is Bob today?
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Question 857697: Ten years ago, Bob was three times as old as Anna. Today, he is twice as old as Anna. How old is Bob today?
Answer by Seutip(231) (Show Source): You can put this solution on YOUR website!
Ten years ago:
x - Anna's age
3x - Bob's age
Present:
x+10 - Anna's age
3x+10 - Bob's age
Therefore:
Therefore their ages now are:
Bob = 3x+10 = 40 y.o.
Anna = x+10 = 20 y.o.
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