The figure below shows the route that Maya traveled home from the library this afternoon.

From the library to Maya's House, the distance is 5 miles + 4.5 miles + 3 miles.
Maya wrote the expression 3 + 5 + 4.5 to represent the total distance that she traveled. Which statement best describes Maya’s expression?
Maya’s expression will generate the correct sum because of the associative property.
Maya’s expression will generate the correct sum because of the commutative property.
Maya’s expression will generate the wrong sum because she violated the associative property.
Maya’s expression will generate the wrong sum because she violated the commutative property.