Question 994426
peanut pounds=p
walnut pounds=w
p+w=100
2.49p+3.49w=299 (2.99*100)
but p=(100-w)
2.49(100-w)+3.49 w=299
249-2.49w +3.49 w=299
w=50 lb
p=50 lb
Notice that this makes sense, since the price of the combination is exactly between the price of each, so each one constitutes half.