Question 1129805
Andrea and Brad live 18km apart. Brad walked towards Andrea's house at 1.5km/h. Four hours later, Andrea leaves home and walks towards Brad's house at 4.5km/h. Find when and where they meet.
<pre>When will they meet? {{{highlight_green(system(matrix(1,6, 6, hours, after, Brad, starts, walking), OR, matrix(1,6, 2, hours, after, Andrea, starts, walking)))}}}
Where will they meet? {{{highlight_green(system(matrix(1,7, 9, km, from, each, "other's", starting, point), OR, matrix(1,8, Exactly, midway, the, distance, between, the, two, houses)))}}}