SOLUTION: lindiwe is twice as old as preeya and six years older than sue.their combined ages total is 39 years.how old is lindiwe?

SOLUTION: lindiwe is twice as old as preeya and six years older than sue.their combined ages total is 39 years.how old is lindiwe?

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Question 739996: lindiwe is twice as old as preeya and six years older than sue.their combined ages total is 39 years.how old is lindiwe?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
L=2P OR P=L/2
L=S+6 OR S=L-6
L+P+S=39
L+L/2+L-6=39
2.5L=39+6
2.5L=45
L=45/2.5
L=18 IS LINDIWE'S AGE.
P=18/2=9 AGE OF PREEYA.
S=18-6
S=12 AGE OF SUE.
PROOF:
18+9+12=39
39=39
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