At a local pet store zebra fish cost $1.90 and neon tetras cost $2.15. If Mrs. Selee bought 15 fish for a total cost of $30.25, not including tax, how many of each type of fish did she buy?

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?