I looked at number 4, and although I didn't check your numbers, your method looks perfect. I must also say that the clarity and neatness and presentation of your work is amongst the best I've ever seen. Nice job!nevadosajama said:
Looking for alternatives is important because it allows for a more thorough and creative approach to problem-solving. It helps to avoid a narrow-minded perspective and consider different options that may lead to a more effective solution.
To identify potential alternatives, you can brainstorm with a group or on your own. You can also research similar problems that have been solved in the past and analyze the strategies used. Additionally, you can seek input from others who have experience in the field or have faced similar problems.
When evaluating alternatives, it's important to consider the feasibility, practicality, and potential effectiveness of each option. You should also take into account any potential risks or drawbacks associated with each alternative.
The best alternative should be chosen based on the criteria set during the evaluation process. Consider the potential benefits and drawbacks of each option and determine which one aligns best with the desired outcome. It may also be helpful to seek input from others or conduct a trial run before making a final decision.
If you are unable to find a suitable alternative, it's important to reassess the problem and determine if there are any other factors that may be affecting the search for alternatives. You can also seek advice from colleagues or experts in the field for potential solutions that you may have overlooked.