Final Answer:
The number of pints of type A blood used in the 4th week at Damascus Hospital is 20 pints (option 3).
Step-by-step explanation:
The table provides the data for the past 6 weeks, and to find the number of pints used in the 4th week, we need to look at the corresponding entry in the table. In this case, the value for the 4th week is 20 pints. Therefore, the correct answer is option 3) 20 pints.
This determination is straightforward and doesn't involve any complex calculations. It simply requires reading the information provided in the table and identifying the value associated with the 4th week. The table serves as a clear reference for the usage of type A blood over the specified time frame, and the 4th-week entry directly answers the question.
In conclusion, by examining the data in the table, we can easily identify that 20 pints of type A blood were used in the 4th week at Damascus Hospital, making option 3) the correct choice. This type of question emphasizes basic data interpretation skills and the ability to extract relevant information from a given dataset.