Help me please and explain how you got the answer

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

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

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal