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Janet took 3h to drive from Town A to Town B at an average speed of 100km/h. She rested for 30 minutes and traveled to Town C at an average speed of 70km/h for the remaining 2h.…

Janet took 3h to drive from Town A to Town B at an average speed of 100km/h. She rested for 30 minutes and traveled to Town C at an average speed of 70km/h for the remaining 2h.…
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Janet took 3h to drive from Town A to Town B at an average speed of 100km/h. She rested for 30 minutes and traveled to Town C at an average speed of 70km/h for the remaining 2h. Find Janet's average speed for the whole journey.

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User Parth Mehta
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2 Answers

6 votes
Total distance=3*100+2*70=440km

Total time taken=3+0.5+2=5.5hr

Average speed=440/5.5=80km/hr
answered
User Syam Kallada
by
8.2k points
3 votes
I hope this helps. The average speed is 88km/hour.
Janet took 3h to drive from Town A to Town B at an average speed of 100km/h. She rested-example-1
answered
User Kristopolous
by
8.5k points
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