Abody travels half distance with a speed 18km/h and remaining half distance with a speed 36 km/h. The average speed of the body is
a) 12 km/h
b)9 km/r
c)27 km/h
d) 24 km/h
Answers
Answered by
0
Answer:
b
Explanation:
36-18=18
then 18/2=9km/h
Answered by
0
Answer:
c
Explanation:
36+18=54
avg=54/2
=27km/h
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