 <translate> Question. Before Cameron broke his right arm, he was able to type 10 words per minute on his phone. After he broke his arm, he had to use his left hand for a while, and he could only type 8 words per minute. What is the difference between the number of words he could type in 5 minutes before and after he broke his arm?
Answer. 10
What step-by-step reasoning justifies that answer? <yor> Ìbéèrè kan. Kó tó di pé Cameron ṣẹ́ apá ọ̀tún rẹ̀, ó lè tẹ ọ̀rọ̀ mẹ́wàá ní ìṣẹ́jú kan lórí fóònù rẹ̀. Lẹ́yìn tó ṣẹ́ apá rẹ̀, ọwọ́ òsì ló fi ń kọ̀wé fún ìgbà díẹ̀, ọ̀rọ̀ mẹ́jọ péré ló sì lè kọ̀wé sí ní ìṣẹ́jú kan. Kí ni ìyàtọ̀ tó wà láàárín iye ọ̀rọ̀ tó lè tẹ̀ ní ìṣẹ́jú márùn-ún ṣáájú àti lẹ́yìn tó ṣẹ́ apá rẹ̀? Dáhùn. 10 ì ì Kí ló mú kí ìdáhùn yẹn bọ́gbọ́n mu? 