You move right 1 unit and down 1 unit. You end at (2, -4). Where did you start?

The chart below shows the distribution of weeds in yard

Pls! does anybody know a shortcut for answering these types of questions in the future?

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