SOLUTION: Derek is 105 years younger than Kimberly. Kimberly's age is 4 times Derek's age. How old is Derek?
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Question 1103225: Derek is 105 years younger than Kimberly. Kimberly's age is 4 times Derek's age. How old is Derek?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Derek, d
Kimberly, k
This is the description: .
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