Find the volume of each solid. Round to the nearest tenth if necessary. Use 3.14 for or 22/7
A : 14.7 m3
B : 3.7 m3
C : 4.7 m
D : 6.7 m3

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?