How to find the distance between two points using pythagorean theorem?

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

Can someone me do math because i am having a breakdown rn because i don’t get it

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.