SOLUTION: In 3 years, alex will be 3 times as old as his sister precy. a year ago, alex was 7 times as old as precy. how old are they now?
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Question 1098691: In 3 years, alex will be 3 times as old as his sister precy. a year ago, alex was 7 times as old as precy. how old are they now?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
In three years,
1.
A year ago,
2.
Subtracting eq. 2 from eq. 1,
Solve for P then use either equation to solve for A.
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