Garbage generated in one area is 6.259 * 10 to the tenth power. the countries population is 3.43* 10 to the seventh power. what is the amount of garbage per person

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?