Andy wants to buy a refrigarator for $769,a stove for $359, and a dishwasher for $309.round each cost to the nearest hundred to estimate the total cost

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. ?