2x=3 or x=3/2 i think thats right
2x - 1 = 9 - 14x
16x - 1= 9
16x = 10
x = 10/16
x= 5/8 is the answer
Triangular prism: 2 bases and 5 faces
Pentagonal prism: 2 bases and 7 faces
If he used 34 bottles for every batch just divide 214 bottles he used by 34 it takes for a batch
he made 6.3 batches