I cant see the picture could u please post another one?
-.4a+1.2=3.6
Subtract -1.2 both sides
-.4a=2.4
Divide both sides by .4
-a=6
Divide both sides by negative (-1)
a=-6
Answer:
B) 40
Step-by-step explanation:
<em>Average speed = distance/time</em>
Distance = 12750 km
Time = 13.5 days = 13.5*24 hours = 324 hours
Speed = 12750 km /324 h = 39.4 km/h ≈ 40 km/h
<u>Correct option is</u> B) 40
The answer for your question is 30 ..