2. Тип 6 № 12522 Найдите координату точки А, отмеченной на числовом луче.

The number line starts at 0 and ends at 81. Point A is located at the 9th grid mark from 0. Since there are 9 grid marks between 0 and 81, each grid mark represents 81 / 9 = 9 units. Therefore, point A is at 9 * 9 = 81.