4. Colin walks to school.
Look at the graph representing his journey.
(a) Use the graph to calculate Colin's average speed for the total journey to school.
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Answer:
THE AVRERAGE SPEED OF THE COLIN'S IS=
SPEED =500 +1000 = 1500 SPD
TIME = 400+800= 1200 SECONDS
THE AVERAGE SOEED IS 1500 - 1200= 300
SO 300 IS AVERAGE SPEED OF COLIN'S
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