Driveway pavers are 6 inches by 9 inches. if your driveway is 20142 square inches, how many pavers do you need for your driveway?

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?