If you simplify the expression you will get 18x - 15.
The concept of historical cost in accounting involves valuing business resources at their purchase price. This is further explained below.
<h3>What is the historical cost?</h3>
Generally, historical cost is a value of measure used in accounting that records the value of an asset on the balance sheet at its original cost when purchased by the firm.
In conclusion, valuing business resources at their purchase price is what historical cost is about.
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The amount of cooper that are contained in 120 pounds of the brass is equal to 78 pounds.
- Let the amount of copper be C.
<u>Given the following data:</u>
- Quantity of brass = 120 pounds
- Percentage of copper = 65%
To calculate the amount of cooper that are contained in 120 pounds of the brass:
In this this exercise, you're required to determined how many pounds of copper can be found in 120 pounds of the brass. Thus, we would solve for the percentage of copper contained in this type of brass.

Copper, C = 78 pounds
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