 
 <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? <hau> Tambaya. Kafin Cameron ya karya hannunsa na dama, ya iya buga kalmomi 10 a minti daya a wayarsa. Bayan ya karya hannunsa, sai ya yi amfani da hannunsa na hagu na ɗan lokaci, kuma ya iya rubuta kalmomi takwas ne kawai a minti ɗaya. Menene bambanci tsakanin adadin kalmomin da zai iya bugawa a cikin minti 5 kafin da kuma bayan ya karya hannunsa? Amsa wannan. 10 da kuma Wane bayani ne ya nuna cewa hakan gaskiya ne? 