<PRE><B>Question 951415</B>
Albert is 15 years old and his dad is 48. How many years ago was his dad 4 times as old as Albert was then?
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Equation:
48-x = 4(15-x)
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48-x = 60-4x
3x = 12
Ans:: x = 4 years ago
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Cheers,
Stan H.
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