Answer:
You need to first use the Sum function to add up all the costs of September.
Then divide each September cost by the grand total that you got. After that format the last column to be percentages.
Look at the attached file for the formulas used.
Answer:
The RUP is an agile software development type of methodologies, and it consists of four phases, which are
• inception,
• elaboration,
• construction
• and transition.
The main aim of the RUP is to come up with a software that is very high in quality, and with a predictable budget, as well as it must be according to the time frame.
Explanation:
Please check the answer section.
It is done to provide for better engine performance. It is important for two main reasons. One is that if one ignition system fails the other can for a time take care of it and hold its ground until you land or fix it. Another is that it is used for more efficient consumption of fuel and air which makes the engine work better.