Abuilding cast a shakedown that is 12 meters long. the distance from the top of the building to the top of the shadow is 20 meters. determine the height of the building

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?