Answer:
About 947 hours, walking at 5 km (3 miles)/hour.
Walking 8 hours /day [at that pace you would need to be an Olympic Athlete to keep up the pace] it will take about four months.
Walk slower, it will take longer.
You could multiply 6 times 3 to get your answer. The answer would be 18
16/21 is the correct answer
It was 65 degrees by lunch time.