Answer: c
Step-by-step explanation:
Each person shakes 7 hands, but once you count the handshake between A and B, you don't need to count the handshake between B and A. There are a total of 8*7/2 = 28 handshakes.
The equation that can not be represented is B because the variables are mixed up and are not matching with the correct formula.
Divide the amount of ounces by 16.
