Nasser's involvement in political activity increased throughout his school years, such that he only attended <answer>45</answer> days of classes during his last year of secondary school. Despite it having the almost unanimous backing of Egypt's political forces, Nasser strongly objected to the 1936 Anglo-Egyptian Treaty because it stipulated the continued presence of British military bases in the country. Nonetheless, political unrest in Egypt declined significantly and Nasser resumed his studies at al-Nahda, where he received his leaving certificate later that year.
How many days did Nasser attend classes in his senior year?
45