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04.09.2019 •
Mathematics
William is three times as old as his daughter, rebecca. rebecca is six years younger than her brother, ben. how old is rebecca if the sum of their three ages is 76 years?
2) janine is six years younger than paul. paul is three times the age of their son brett. brett is five years older than his sister amanda. the sum of all their ages is 125years. how old is each person?
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Ответ:
77
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