Math, asked by jk3642199gmailcom, 8 months ago

a man walks 6 km at 12 km\h and retuns at 10 km/h find the average speed​

Answers

Answered by lesasunny
1

Answer:

Distance on way = 6 km

Distance both ways = 6 x 2 = 12 km

Find the time taken on the way there:

Time = Distance ÷ Speed

Time = 6/12 = 0.5 hour

Find the time needed on the return trip:

Time = Distance ÷ Speed

TIme = 6 ÷ 10 = 0.6 hour

Find total time taken:

0.5 + 0.6 = 1.1 hour

Find the average speed:

Speed = Total Distance ÷ Total time

Speed = 12 ÷ 1.1 = 10.91 km/hour

Answer: 10.91 km/hour

Step-by-step explanation:

Answered by WhiteDove
84

Step-by-step explanation:

distance=6km

speed =12km/h

time=d/s

=6/12

=1/2

2speed=10km/h

distance=6km

time=6/10

=3/5

average speed = total distance/total time

=12÷11/10

=120/11 km/h

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