And cookie recipe calls for 3 cups of sugar and yields 24 cups how much sugar will be needed to make three dozen cookies

Can somebody me out with this question

Write the sentence as an equation. z plus 372 is equal to 160

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