Pl asap the first onw to answer will get a car travels 63 mi on 3 gal of gas. how far can the car travel on 15 gal of gas? a.45 mi b.189 mi c.315 mi d.345 mi

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?