Mathematics
Mathematics, 03.02.2020 15:01, nehemiahw7020

If (a+b) / (x−y) = 3/5 then (10a + 10b) / (9x−9y) = ?

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If (a+b) / (x−y) = 3/5 then (10a + 10b) / (9x−9y) = ?...

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