Final answer:
To convert seconds to minutes, divide the number of seconds by 60. In this specific case, there are 7 minutes in 420 seconds.
Step-by-step explanation:
In this problem, we are converting seconds to minutes. Since there are 60 seconds in 1 minute, we need to divide the number of seconds by 60 to find the equivalent minutes.
420 seconds ÷ 60 = 7 minutes