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It starts snowing in the morning and continues steadily throughout the day. A snow-plow that removes snow at a constant performance starts plowing at 10 AM. It paths 2 miles in the first hour, and 1 mile in the second hour.
What time did it start snowing?
Hint
Seems as a similar problem π
It starts snowing in the morning and continues steadily throughout the day. A snow-plow that removes snow at a constant rate starts plowing at 10 AM. At 11:00 a second snowplow starts at the same place and follows the first plow, clearing the snow that has fallen since the first plow passed. At 12:00 the second plow catches up to the first. When did it start snowing?Β