I gave up so you have to think a little.
Formula =((ProportionA*A)+(ProportionB*B))/100
ProportionA A ProportionB B Diet
100 22 0 8 22
90 22 10 8 20.6
80 22 20 8 19.2
70 22 30 8 17.8
60 22 40 8 16.4
50 22 50 8 15
40 22 60 8 13.6
30 22 70 8 12.2
20 22 80 8 10.8
10 22 90 8 9.4
0 22 100 8 8
A = % crude protein for ingredient A
B = % crude protein for ingredient B
Diet 0 % crude protein for diet after mixing ingredients in proportions given
Formula =((ProportionA*A)+(ProportionB*B))/100
ProportionA A ProportionB B Diet
100 22 0 8 22
90 22 10 8 20.6
80 22 20 8 19.2
70 22 30 8 17.8
60 22 40 8 16.4
50 22 50 8 15
40 22 60 8 13.6
30 22 70 8 12.2
20 22 80 8 10.8
10 22 90 8 9.4
0 22 100 8 8
A = % crude protein for ingredient A
B = % crude protein for ingredient B
Diet 0 % crude protein for diet after mixing ingredients in proportions given