An estate has large open parklands that contain seven large trees.

The trees are denoted as vertices *A* to *G* on the network diagram below.

Walking paths link the trees as shown.

The numbers on the edges represent the lengths of the paths in metres.

Jamie is standing at *A* and Michelle is standing at *D.*

Write down the shortest route that Jamie can take and the distance travelled to meet Michelle at *D*. (1 mark)