The best answer is:
C) <span>a choice that must be made due to scarcity.
A tradeoff occurs when you must choose between two or more things, selecting the best option given the constraints. Choosing what to spend your allowance on, for example, is involves a trade-off that you must make due to the scarcity of your allowance money (you don't have unlimited money). D is a tempting answer, but it does not define trade-off as well as C. </span>
Increase the price to make more money to be able to afford oil.
Answer:
Average waiting time = 7.5 minutes
Explanation:
UTD private secretary can type the number of letters = 4 per hour by each.
By professor, the letter generated = 3 per hour by each
Thus by pooling the average time will be the time that comes by dividing the one hour with total letters in an hour.
Use the below formula:
Average waiting time = Minutes in one hour / total letters
Average waiting time = 60 / 8
Average waiting time = 7.5 minutes
Archiving is an important part of record keeping
