Travelling by car

This task is about interpreting a line graph.

This graph shows car journeys for Rawiri and Lia.
Lia left Whakatāne at 9.00 a.m., and Rawiri left Auckland at the same time.
 
a)
i)     At what time did Lia arrive in Auckland? ___________ p.m.
 
ii)    How long did Rawiri take to get to Whakatāne? ___________ hours
 
b)
i)
 
ii)
At 11:30 a.m., did Lia increase or decrease her speed? ___________________
 
How can you tell this from the graph?
 
 
 
 
 
c)
What speed was Lia travelling at between 12 noon and 12:30 p.m.? ___________ km/h.
 
d)
i)     What was Rawiri's average speed for the whole journey? ___________ km/h.
 
ii)    What was Lia's average speed for the whole journey? ___________ km/h.