wayra and lily are both hiking along the same trail. wayra is walking at rate of 3.1 kilometers per hour and lily is walking at a rate of 3.6 kilometers per hour . they start their hikes at different time, but at 1:00pm , wayra passes the 3.0 kilometer marker and lily passes the 2.0 kilometer marker a. write a system of equations and solve by using substitutions . round the nearest tenth
