SOLUTION: Sana is senior to Mona by 18 years. After 6 years Sana will be twice as old as Mona. Find Mona's present age.
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Question 1086312: Sana is senior to Mona by 18 years. After 6 years Sana will be twice as old as Mona. Find Mona's present age.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
In 6 years,
Substituting,
Solve for M, then use either equation to solve for S.
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