maths,help!!!10 point!!!

1.
fill in the empty boxes with the numbers 5%,10% and 50% so that the sum of each column and row is equal to the given number(answer of 1,2,3,4)


sum
1. 2. 3. 4.0.75
0.65
0.35
0.3
sum 0.8 0.3 0.2 0.75