How do I calculate the actual value of P after making changes?

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The discussion revolves around calculating the actual value of P after making changes, specifically addressing problems outlined in a Word document. A user expresses uncertainty about starting problem number 5 and requests assistance with their calculations. Participants emphasize the importance of typing out problems directly in the forum instead of using attachments due to security concerns. The correct approach to solving the problems involves calculating the value of P from earlier questions and then performing subtraction to find the adjusted value after changes. Clear communication of the problems is essential for effective help.
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I need help on the following problems. I am not sure how to even start number 5. Will you please check over my work. The questions and my work are attached in a word document, I tried copying it but the equations did not copy. Any help will be greatly appreciated.
 

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First, many people will not even open a Word file for fear of viruses. It's not THAT difficult to type your problems in! You don't even know how to start number 5?
Calculate the actual value of P given in number 2. The calculate the actual value of P after making the changes given in number 3. Subtract!
 

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