Hailey paid $13\$13 $13 dollar sign, 13 for 137 kg1\dfrac3{7} \text{ kg} 1 7 3 kg 1, start fraction, 3, divided by, 7, end fraction, start text, space, k, g, end text of sliced salami.

$3.90 was the cost of salami per kilogram.

Step-by-step explanation:

The question is incomplete, so the complete question is below:

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.

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step-by-step explanation:

picture below