A vehicle did the first 120 kilometres of a trip at an aver- age speed of 30 km/h and the next 120 kilometres at 20 km/h. What is the average speed of the entire trip?
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3
Answer:
Step-by-step explanation:
Kilometers of a trip- 120 KM
Average speed- 30
Kilometers of the 2nd Trip- 120
the average speed of the 2nd trip- 20
Average - Total number or Amount/ Number of data.
Average= 30+20/ 2
=30+20= 50
=50/2
= 25
Extra Info
why did I divide it by 2?
Ans- I got two data[ Numbers] in these questions[ 30,20]
Please mark it as a brainlist.
Thank you
Hope I helped you.
Answered by
1
Step-by-step explanation:
kilometers of a trio - 120.km
average speed -30
km of the 2nd trip-120
the average speed of the trip is-20
average total number or amount/ of data average =30 + 20 = 50
= 50 / 2
answer is *( 25)*
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