Nicky bought 14.2 pounds of coffe for the coffee shop. the shop usually uses 5 times that amount of coffee during one week. how much more coffee will nicky need to purchase to get the right amount of coffee for the week?

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?