SOLUTION: f Nina is N years old now and Maryna is M years old now, write� Four years ago, Nina was three times as old as Maryna was.

SOLUTION: f Nina is N years old now and Maryna is M years old now, write� Four years ago, Nina was three times as old as Maryna was.

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Question 1131778: f Nina is N years old now and Maryna is M years old now, write�
Four years ago, Nina was three times as old as Maryna was.
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.

N - 4 = 3*(M-4).

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