SOLUTION: 4. Marilyn is 3 years younger than her friend Rosie. In 7 years, the product of their ages will be thrice the product of their ages 5 years ago. How old are they at present?
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Question 1164690: 4. Marilyn is 3 years younger than her friend Rosie. In 7 years, the product of their ages will be thrice the product of their ages 5 years ago. How old are they at present?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Substitute for m, first.
Factorable.
Most likely and .
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