If 9 out of 25 people are left-handed what percent are right-handed

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?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625

Ineed to know how to write question one in mathematical terms