Which 2 options are correct?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters