Question 1049370
Let c represent the amount of mixture of cashew nuts. Then
8.4c+3.6(12-c)=6.8(12)
8.4c+43.2-3.6c=81.6
4.8c=38.4
c=8
8 lbs of cashew nuts and 4 lbs of peanuts are needed to make the desired mixture. ☺☺☺☺