Acoffee maker costs $124.46. it is marked down 40%. what is the final price of the coffee maker after it is marked down? $74.68 $84.46 $104.24 $174.24

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?