Five turtles bet on a straight-line race and at the finish line the situation was as follows: Sininha was $10 \mathrm{~m}$ behind Olguinha and $25 \mathrm{~m}$ ahead of Rosinha, who was $5 \mathrm{~m}$ behind Elzinha, who was $25 \mathrm{~m}$ behind Pulinha. What was the order of arrival?
Let's represent each turtle on a line using its initial letter. The final data of the race are represented in the given figure.

![](https://cdn.mathpix.com/cropped/2024_05_01_666a1aec7e447b0a6cbeg-096.jpg?height=234&width=1202&top_left_y=274&top_left_x=513)

Thus, Sininha is $20 \mathrm{~m}$ ahead of Elzinha, and therefore, Pulinha is $5 \mathrm{~m}$ ahead of Sininha. The order of arrival is O, P, S, E, and R.