Answer:
$2.51 per one kg bag of charcoal (2.51/kg)
Step-by-step explanation:
Unit price represents the cost of only one item.
Divide $12.55 by 5, to represent the cost of one kg. bag of charcoal.
12.55 / 5 = $2.51
(One kg. bag) $2.51 x 5 (Represents the number of bags given)
= $12.55
The unit price of a 5-kg. bag with the cost of $12.55, is $2.51 per one kg.