Good Afternoon,
Okay so we have 15 hours already, now we need to add 60 minutes, which is exactly an hour.
So, 15 Hours + 1 Hour = 16 Hours.
16 Hours is your answer, I hope I helped and good luck studying!
Thank you,
Darian D.
19
Step-by-step explanation:
when we add 9 and 10 we will get sum 19
-2(4w-1)=3(4w+2)
-8w+2=12w+6
-20w=4
w=-0.2