Holden is trying to determine the velocity of his race car. he went 20 meters east, turned around, and went 40 meters west. he turned the car one more time and went 35 meters east. his car was 15 meters from the starting line. this took 5 seconds. what is the car’s velocity?

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?