Answer:
<u>$3.90</u> was the cost of salami per kilogram.
Step-by-step explanation:
<u><em>The question is incomplete, so the complete question is below:</em></u>

Now, to find the cost of salami per kilogram.
Cost of
kilogram of sliced salami = $13.
Now, to get the cost of salami per kilogram we use unitary method:
If, the cost of
kilogram of salami = $13.
Then, the cost of 1 kilogram of salami =



Therefore, $3.90 was the cost of salami per kilogram.