Nut mix michael and kevin return to the candy store, but this time they want to purchase nuts. they can't decide among peanuts, cashews, or almonds. they again agree to create a mix. they bought 2.5 pounds of peanuts for $1.30 per pound, 4 pounds of cashews for $4.50 per pound, and 2 pounds of almonds for $3.75 per pound. determine the price per pound of the mix.