Mathematics
Mathematics, 15.02.2021 17:30, Kbkbkb3710

Rene is three times as old as his sister Rosy. In 5 years, he will be twice as old as his sister Rosy. What is Rene’s present age?

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Rene is three times as old as his sister Rosy. In 5 years, he will be twice as old as his sister Ros...

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