Mathematics, 19.11.2020 08:10 bensleytristap93y8q

Mary is twice as old as paul. The sum of their ages is 63. How old is Paul? Please do substitution! EXPLAIN PLEASE! No messing around I have a test please!

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Mary is twice as old as paul. The sum of their ages is 63. How old is Paul? Please do substitution!...

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