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Use matrices to represent data

Problem

This matrix represents the number of direct train routes between three different cities, where rows are starting points and columns are end points.
StartEndCity 1City 2City 3
City 1031
City 2302
City 3212
Complete the interpretation for the boxed cell in the 3rd row, 1st column of the matrix.
There are
different direct train routes going from
to
.
Stuck?
Stuck?