Mike was trying to get better at lifting weights. He started by being able to lift 125 pounds. After two months of work he was able to lift 147 pounds. How much did he improve?

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?