10 pounds of peanuts cost 10*$1.60 = 16 dollars. 15 pounds of raisins cost 15*$2.20 = 33 dollars. Altogether, the mix cost 16+33 = 49 dollars. The total weight of the mix is 10 + 15 = 25 pounds. Then the price for 1 pound of the mix should bedollars, which is $1.96 per pound.