Question

Elia rode her bicycle from her house to the beach at a constant speed of 181818 kilometers per hour, and then rode from the beach to the park at a constant speed of 151515 kilometers per hour. The total duration of the rides was 111 hour and the distances she rode in each direction are equal.

Answer 1

well kinda difficult but i have the solution

Answer 2

The system of equations that represents her answer is b + p = 1 and 18b = 15p.

Explanation:

It's from Khan Academy, trust me :)