I need help really bad please

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

Betty correctly answers 30 questions on your math test there are 40 questions on the test what percent of the questions did she answered incorrectly