Final answer:
By multiplying Joey's typing speed of 80 words per minute by 30 minutes, we find that Joey can type a total of 2400 words in 30 minutes.
Step-by-step explanation:
If Joey can type 80 words per minute, we can calculate how many words Joey can type in 30 minutes by multiplying the number of words he types per minute by the number of minutes. The equation for this calculation is:
Number of words = Words per minute × Minutes
To solve for Joey's typing output in 30 minutes, we plug in the values:
Number of words = 80 words/minute × 30 minutes
Number of words = 2400 words
Therefore, Joey can type 2400 words in 30 minutes.