Answer:
B
Step-by-step explanation:
Once you subtract both sides, the 4 is gone then the 10 is subtracted into a 6. You go to the 3x, and just like what you did to the 4 you do the opposite and divide the 3 by itself and the 6 by 3 as well.
7:17 PM
Add another 30 minutes to 6:30 = 7:00 PM
47-30 = 17
add the remaining 17 minutes to 7:00 = 7:17 PM
2