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A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence,the ages of A and B five years back would be (x – 5)years and (85– x) years

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in 8th-maths by (1.7k points)
A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence,the ages of A and B five years back would be (x – 5)years and (85– x) years respectively.

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