 
 <translate> Arabella spent 30 / 2 = 15 minutes on the second step. She took 30 + 15 = 45 minutes to learn the third step. Therefore, Arabella spent 30 + 15 + 45 = 90 minutes learning all three steps. So the answer is 90. <ibo> Arabella jiri minit 30 / 2 = 15 mee nzọụkwụ nke abụọ. O were ya minit 30 gbakwunyere minit 15 iji mụta nzọụkwụ nke atọ. N'ihi ya, Arabella ji minit 30 gbakwunyere 15 gbakwunyere 45 = 90 mụta nzọụkwụ atọ ahụ. Ya mere azịza ya bụ 90. 