The unit rate of dollars per sandwich is 6.5 dollars per sandwich.
What is the unit rate of dollars per sandwich
From the question, we have the following parameters that can be used in our computation:
y = 6.5x
A linear equation is represented as
y = mx + c
Where
m = unit rate
Using the above as a guide, we have the following:
m = 6,5
Hence, the unit rate is 6.5 dollars per sandwich.