Who can answer these three ??

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

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?