2020 Fermat Problem 12

Harriet ran a 1000 m course in 380 seconds. She ran the first 720 m of the course at a constant speed of 3 m/s. She ran the remaining part of the course at a constant speed of v m/s. What is the value of v?

\textbf{(A)}\ 2\quad \textbf{(B)}\ 1.5\quad \textbf{(C)}\ 3\quad \textbf{(D)}\ 1\quad \textbf{(E)}\ 4.5

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