HELP ME ASAP PLSPLSPLS

Which shows equivalent expressions?

If u good at math hit me up on insta or sum @basic_jaiden or @ and

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's