In one year a taco truck makes 13,180 chicken tacos, 7,480 fewer beef tacos than chicken tacos, 2,500 fewer fish tacos than beef tacos. How many tacos does the truck make in all

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?