Apples in a french market cost 2.5 euros per kilogram. what is the price in dollars per pound. (based on $ 1.256 - euros .7965)

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?