37.85% 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 L of the 1st, 25 L of the 2nd
(b) 20 L of the 1st, 15 L of the 2nd
(c) 15 L of the 1st, 20 L of the 2nd
(d) None