The distance of summer camp from Jessica's home = Four hundred twenty three and four tenths miles
So, The distance of summer camp from Jessica's home = 423.4 miles
Since, a detour adds 10 miles to the distance. Now, we have to find the total distance Jessica travel to camp.
423.4 miles + 10 miles
= 433.4 miles
Therefore, Jessica traveled 433.4 miles to the camp.