A study of consumer buying habits found that people who buy low calorie Meal Replacement Shakes have a higher obesity rate and higher percentage of gym membership than those who don't. Are these two trends an example of causation, correlation, or both?

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. ?