Write
11/4 as a mixed number.
Give your answer in its simplest form.

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

At the play,8 students from mr. franks room got a seat. if there were 17 childern from room 24,how many childern did not get a seat ?

Ineed ! if you answer wrong for points i will report you! but hurry this is timed!