Un atleta tarda 25s en nadar de un extremo al otro de una piscina de 50m, Cual es su rapidez promedio?a formula b sustitucion c resultado con unidad*​

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

How do i do this activity, is appreciated

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?