Mathematics, 21.01.2021 09:10 sylviaswanson1
Vincent sets off from his home on a 70 km journey to his friend's house. He travels the first 40 km of his journey at an average speed of 40 km/h and the remaining at an average speed of 60 km/h. Calculate the average speed for his entire journey.
Answers: 3
, where 
is the total distance travelled and 
is the time it takes to travel said distance.
kilometers in a total time of:
.
.
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Vincent sets off from his home on a 70 km journey to his friend's house. He travels the first 40 km...
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