if you help me i will follow you and get free points and i will mark you Brainlist so please answer me
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1]
Answer:
S=15km,S~=9km
Explanation:
S=3km+4km+5km+3km=15 km
S~=3km+3km+3km=9km
speed=15/1=15kmph
2] 2nd answer in attachment:
Brainliest Please!!
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