The graph shows a proportional relationship between the number of gallons of gasoline used (g) and the total cost of gasoline (c) Find the unit rate (r). Using the value of r, write an equation in the form ole that represents the relationship between the number of gallons of gasoline used (g) and the total cost (c). Taken from: SBAC Mathematics Practice Test Scoring Guide Grade 7 p. 31 ​

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