Elia rode her bicycle a from her house to the beach at a constant speed of 18 kilometers per
hour, and then rode from the beach to
the park at a constant speed of 15 kilometers per hou
The total duration of the rides was 1 hour and the distances she rode in each direction are
equal.
Let b be the number of hours it took Elia to ride from her house to the beach, and p the
number of hours it took her to ride from the beach to the park.
Which system of equations represents this situation?