I don't know what it means

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Find the maximum value of p= 4x + 5y subject to the following constraints :