SOLUTION: jerry was 1/3 as young as his granpa 15 years ago. if the sum of their ages is 110, how old is his grandpa?
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Question 320713: jerry was 1/3 as young as his granpa 15 years ago. if the sum of their ages is 110, how old is his grandpa?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let Jerry's age be , Grandpa's .
Fifteen years ago, Jerry was , Grandpa was .
1.
Then also,
Substitute this into eq. 1,
.
.
.
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