A clown bought 18 bags of round balloons with 20 balloons in each bag. He bought 24 bags of long balloons with 35 balloons in each bag. How many more long balloons are there than round balloons?

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

Can someone me out here and the tell me the greatest common factor

Ineed to know the answer to this algebra question.