The proportion of people who won the second prize in A and B schools is 4:6=2:3.
The number of people who won the second prize in school B is 3x/2.
The total number of second prizes is 5x/2, accounting for 60% of the total number of awards.
The total number of winners is 25 times /6.
In which Grade A accounts for 3/5 (the ratio is 3:2), which is 5x/2.
x \u( 5x/2)× 100% = 40%
x \u( 25x/6)× 100% = 24%
The number of people who won the second prize in a school accounts for 40% of the winners in a school and 24% of the total winners.