Answer:
6 bottles of soda.
Step-by-step explanation:
lets keep the number of bottles as = x
Format :
(9/12)=(8/x)
Step 1: Cross-multiply.
(9)*(8)=(x)*(12)
72=12x
Step 2:Bring x one side.
12x=72
x=72/12=6bottles
Bottles of soda will be need to buy for a party where 8 people are attending=6 bottles soda