Question
The age of Zeph is 56 of Michael's age. 55 years ago, the ratio of Zeph's age to Michael's age was 4 : 7. How old is Michael now?
2 m

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The age of Zeph is 56 of Michael's age. 55 years ago, the ratio of Zeph's age to Michael's age was 4 : 7. How old is Michael now?