Answer: Patrick played 6 minutes during the second quarter.
Step-by-step explanation:
Since we have given that
Length of each quarter = 10 minutes
Ralph played the whole first quarter, the first 4 minutes of the second quarter, and the whole fourth quarter.
whereas, Patrick played the rest of the second quarter, third quarter.
Length of second quarter Patrick played is given by
Hence, Patrick played 6 minutes during the second quarter.