2 answers:
Answer:
(a) Stops, turns around and starts travelling back towards home.
(b) 8 km/hour.
Step-by-step explanation:
(b) Jo travels 4 kilometres in 1/2 hour = 9 km/hour.
<h3>Part A</h3>
The line start to increase then it decreases and then continues to increase.
<h3>Part B</h3>
Jo travels at 8 k m / h o u r
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