1 Answer

Inodb · Answer 1 · 2021-10-12T03:48:18+0000

Solution:

The speed is given by formula:

speed = (distance)/(time)

Moving 12 km in 40 minutes

$speed = (12)/(40) = 0.3\ km/min$

Moving 18 km in 30 minutes

$speed = (18)/(30) = 0.6\ km/min$

Moving 6 km in 15 minutes

$speed = (6)/(15) = 0.4\ km/min$

Moving 10 km in 20 minutes

$speed = (10)/(20) = 0.5\ km/min$

Put them in order from least to greatest

Moving 12 km in 40 minutes = 0.3 km/min

Moving 6 km in 15 minutes = 0.4 km/min

Moving 10 km in 20 minutes = 0.5 km/min

Moving 18 km in 30 minutes = 0.6 km/min

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