I would assume there is a minimum composition threshold to make the mining operation profitable. A company will not stay in business by spending more on the mining operations than they receive in revenue by selling the material.
itemCost = input("Enter cost of items: ")
totalCost = 15 * float(itemCost)
print(totalCost)
The first line gets the total cost of the item from the user. The second line calculates the cost of 15 of those items and stores that value in the variable totalCost. The last line is just to test that our calculation works. I hope this helps!
The <em><u>sound energy into electric energy and then into radiant energy.</u></em>
<em>[That's it]:)</em>
Answer:
3 * 5 + 4 ** 2 - 1 = 5
Explanation:
3 * 5 = 15 + 4 ** 2 = 76 - 1 = 75