Answer:
Step-by-step explanation:
1 hour=60 min
7 hours=60×7=420 min
number of blink=420×13=5460
12/15 games have been won then they won 3 which makes it then 15/18 because the denominator is how many games they've played while the numerator is how many games they one.

Cross multiply both...

divide each side by 18 to make the x by itself
Which gives you x=83.333%
-32
Explanation:
8/2 + (18-12)4-5•12
8/2 + (6)4 - 5 • 12
4 + 24 - 60
28 - 60
-32
Hope this helps!