Freee points guess my name

One integer is 8 times another. if the product is 72, then find the integers

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. ?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?