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Mathematics, 05.01.2021 20:10 darius12318
five years ago ,a father was four times as old as his son. In five years time the father will be twice as old as the son. If x and y are the present ages of the father and the son respectively, the equation relating x and y are:
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five years ago ,a father was four times as old as his son. In five years time the father will be twi...
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