Question

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

Answer 1

15 and 20 litres.........

Answer 2

85....................92
........\............/......
............89.............
........../........\..........
-----------------------------
.......3..........4............

so, new mixture is in 3:4
so, 15L and 20L