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Alex is three times older than his brother now. In two years, he will be two times older than his brother. How old is his brother now?John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, John will be three times as old as Alice. How old is Peter?A sofa is 12 years old and a table is 36 years old. In how many years will the table be twice as old as the sofa?Emma is 10 years old. Her mother is 30 years older than Emma. How old is her motherMichael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon.