The problem above presented the data such as 3 pairs of jeans for $39 each, 4 t-shirts at 15$ each and 2 skirts at $27 each. The problem asked for the total bill of the shopper therefore, the operation used to solve for the total bill is addition. Addition is the process by which something is added into something else.
There a lot of entities that can be added as long as they are
countable such as numbers, masses and others. If we add all the amount presented in the problem we will have a sum of $231 for all the goods bought by the shopper.
