You notice a new skateboard park opening up in your community. write a convincing letter to your parents that will justify them paying a monthly membership fee for you to use the park on a regular basis. provide at least 3 reasons why this activity leads to maintaining a healthy lifestyle.

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

+15-35=-20

going in opposite directions