(Increased deadline. Thank you for your help.) "Is this solved correctly, I think I missed something?

(Increased deadline. Thank you for your help.)"Is this solved correctly, I think I missed something?Soybean meal is 16% protein and corn meal is 9% protein. How many pounds should be mixed to get a 350-lb mixture that is 12% protein? This is what I came up with:There are x pounds of corn meal and y pounds of soybean meal.x + y = 350y = 350 - x0.09x + 0.16y = 0.12(350)0.09x + 0.16(350-x)=420.09x - 0.16x = 42 - 56-0.07x = -14x = 200 pounds and y = 350 - 200 = 150 pounds"Is this solved correctly, I think I missed something?Soybean meal is 16% protein and corn meal is 9% protein. How many pounds should be mixedto get a 350-lb mixture that is 12% protein?...