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85% and 92% alcoholic solutions are mixe...

85% and 92% alcoholic solutions are mixed to get 35 litres of an 89% alcoholic solution. How many litres of each solution are there in the new mixture? a.10 of the first and 25 of the second b.20 of the first and 15 of the second c.15 of the first and 20of the second d.12 of the first and 23 of the second

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