0.1/0.04 = 2.5
because there are 2.5 units of 4/100 in every unit of 1/10
( 4/100 = 1/25, so you can see it better )
004 is the same as 4
0.004
Dextron 3
1
25
0
.004
004 is the same as 4
25
0.3125
987 multiplied by 004 is 3,948
225 divided your 25 = 9