During February and March, Jack is spending 7 days in the Yukon to check on endangered species. The region has snowfall that blocks roads 20 days during these months. Can Jack expect to be able to get around at least 5 of the days?

Yes, Jack can expect to be able to get around at least 5 of the days. Out of the 59 days in February and March, 20 days have snowfall that blocks roads. This means there are 39 days without snowfall, so Jack should be able to get around on at least 5 of those days.