Need to know a, b and c

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. ?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

A50% increase followed by 33 1/2% decrease