Question 203710
Cost/lb
cashews 1.2*4=4.8/lb
B nuts 1.5*4=6.0/lb
mixture 1.3*4=5.2/lb
.
Let x=lbs of cashews
20*6=120
4.8*x=4.8x
5.2*(x+20)=5.2x+104
.
120+4.8x=5.2x+104
.4x=16
x=40 lbs
.
Ed