Zachary can spend no more than $98 per day to rent a car. a car rents for $42 per day plus $0.20 per mile. what is the maximum number of miles that he can drive the car?

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?