soybean has 12%protein & corn has 6%protein. How many pounds of each should be mixed of each to get 240 pound mixture with 8% protein?

Please write the problem solution in the solution text box; do not attach files.

Also, do not post short title without the actual solution (to be appended later). Post the answer right away. I need the answers with all the steps (including equations) shown. Do not include the Problem text before your answer unless you are quoting it in the answer you provide. Thanks!