SOLUTION: Lulu is three yrs. older than Pearl. In 4 yrs. time, Lulu will be twice as old as Pearl was 3 yrs. ago. Find pearl's age.

Question 370367: Lulu is three yrs. older than Pearl. In 4 yrs. time, Lulu will be twice as old as Pearl was 3 yrs. ago. Find pearl's age.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Lulu is three yrs. older than Pearl. In 4 yrs. time, Lulu will be twice as old as Pearl was 3 yrs. ago. Find pearl's age.
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Equation:
L = P +3
(L+4)= 2(P-3)
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Substitute for "L" and solve for "P":
(P+7) = 2P-6
P = 13 (Pearl's age now)
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L = P+3 = 16 (Lulu's age now)
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Cheers,
Stan H.
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