A child climbs a hill 2 km in 20
min and descends the same hill in 12 min.
Calculate average...
Mathematics, 10.12.2020 14:00 olganevarez2502
A child climbs a hill 2 km in 20
min and descends the same hill in 12 min.
Calculate average and average speed
speeds in km / h
Answers: 1
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