PLEASE HELP IM LOST You have a 40X stock solution. You need to make 800 mls of a 1X working solution. Calculate the volume (in mls) that you need of the stock solution. How much solvent will you need?

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

How is working backward similar to solving an equation?

What is 140% of 25? because i need