<human>:  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?
<bot>: How many words could Cameron type in 5 minutes before he broke his arm? ** Before Cameron broke his hand he could type 5 × 10 = <<5*10=50>>50 words in 5 minutes.
How many words could Cameron type in 5 minutes after he broke his arm? ** After he broke his hand he could only type 5 × 8 = <<5*8=40>>40 words in 5 minutes.
What is the difference between the number of words he could type in 5 minutes before and after he broke his arm? ** The difference between the number of words he could type in 5 minutes before and after he broke his arm is 50 - 40 = <<50-40=10>>10 words.
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