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Mathematics, 08.04.2021 15:00 teresaswinger
A man who is X years old now has a son aged 5 years. In 7 years the father will be 4 times as old as his son will be then . How old is the father now​
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A man who is X years old now has a son aged 5 years. In 7 years the father will be 4 times as old as...
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