please explain me this... In a race of three horses, the first beats the second by 20 metres and the third by 90 metres. If the second beats the third by 80 metres, what is the length ,in metres, of the race course?

PLEASE EXPLAIN ME THIS Screenshot 2024-08-02 134942.png 156.59 KB

please explain me this Screenshot 2024-09-19 163907.png 50.57 KBScreenshot 2024-09-19 163936.png 80.32 KB https://d2ri5jhbzuxt54.cloudfront.net/institute/catking/tickets/users/111539/584382189368491d8a82667e9b3ab0c6.png

Please explain me this image.png 55.68 KB

Please explain me this image.png 55.68 KB