Isabel is making lemonade for a party with 12 guests. she wants to make equal servings that are at least 2 cups each. she makes 7 quarts of lemonade. does she have enough lemonade for east guest?

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?