SOLUTION: eight years ago, the sum of Peter's age and Carlo's age is at least 26. Peter is 4 years older than Carlo. At least how old is Carlo now ?

Question 368947: eight years ago, the sum of Peter's age and Carlo's age is at least 26. Peter is 4 years older than Carlo. At least how old is Carlo now ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Eight years ago, the sum of Peter's age and Carlo's age is at least 26.
Peter is 4 years older than Carlo. At least how old is Carlo now ?
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Equations:
(P-8+C-8)>=26
P = C+4
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Substitute and solve for "C":
(C+4+C-16) >= 26
2C-12 >= 26
2C >=38
C >= 19 (Carlo's age now)
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Cheers,
Stan H.
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