Step-by-step explanation:

Answer:
Step-by-step explanation:

Y=mx+b
Mx is the rate of change
B is your starting point
Started with 1000, A
-200 is the rate of change, D
total distance travelled=72+69=141
time taken in hours for journey= (48/60)h + (69/60)= 1.95 h
average speed=141km/1.95h= 72.3km/h (3 sf)
Answer:
12 is the answers for the question
Step-by-step explanation:
please give me brainlest