SOLUTION: Lisa is 9 years old. Marcus is 33 years old. How old will Lisa be when Marcus is three times as old as she is.
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Question 593811: Lisa is 9 years old. Marcus is 33 years old. How old will Lisa be when Marcus is three times as old as she is.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
M = L + 24 ___ M - 24 = L
M = 3L ___ L + 24 = 3L ___ 12 = L
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