Jai's family took a road trip to Mount Rushmore. Jai fell asleep after they had travelled 259 miles. If the total length of the trip was 740 miles, what percentage of the total trip had they travelled when Jai fell asleep?
First, we need to find out how many miles they had travelled before Jai fell asleep.
Total miles travelled before Jai fell asleep = 259 miles
Percentage of total trip travelled before Jai fell asleep = (Miles travelled before Jai fell asleep / Total trip miles) * 100
= (259 / 740) * 100
= 35%
Therefore, when Jai fell asleep, the family had travelled 35% of the total trip to Mount Rushmore.