 
 <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? <ibo> Ajụjụ. Tupu Cameron agbajie aka nri ya, ọ na-ede ihe ruru okwu iri n'otu nkeji na fon ya. Mgbe ọ kụjisịrị aka ya, o ji aka ekpe ya na-ede ihe ruo oge ụfọdụ, ọ na-edekwa naanị mkpụrụ okwu asatọ kwa nkeji. Gịnị bụ ọdịiche dị n'etiti ọnụ ọgụgụ okwu ndị ọ pụrụ ịpịpụta na minit 5 tupu na mgbe ọ gbajisịrị ogwe aka ya? Zaa ya. 10 Ihe Olee ihe e kwuru nke na-egosi na azịza ya bụ eziokwu? 