Don wants to make 10 pounds of a mix of toffee-coated peanuts and toffee-coated almonds for a gathering of friends coming to his house. he can buy toffee-coated peanuts for $1.69 per pound and toffee-coated almonds for $2.59 per pound. if he buys a pounds of toffee-coated almonds and completes the 10 pounds with the toffee-coated peanuts, how can you express the number of pounds of
totree-coated peanuts? what expression would represent the total cost of the nuts? (you should have two expressions for this question.)