Someone help me please really quick

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

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

Solve -.016x= -16. need solving this