Question 954009
s=distance from city
s/10mph+s/50mph=6 hours
5s/50mph+s/50mph=6 hrs
6s/50mph=6hrs
6s=6hrs(50mph)=300 mi
s=50 mi ANSWER: Carl's house was 50 miles from the city.
CHECK:
50 mi/10mph+50mi/50mph=6 hours
5 hours + 1 hour=6 hours
6 hours=6hours