Answer:
-2
Step-by-step explanation:
from one point to another, you go down 2 and over 1
-4f+8=4f-8
+4f. +4f
8=8f-8
+8. +8
16=8f
16/8=2
f=2
Answer:
3:31 PM
Step-by-step explanation:
When the planes arrives in San Francisco, the time is 4:91 or 5:31 PM(central time/yellow). From Central time period to pacific time period, the time decreases by 2 hours. 5:31 - 2 hours is 3:31. The time is still PM. Answer is 3:31 PM.