Tim is a postman that works at a local post office. the basic postage is $1.25 and covers any letter that is lighter than 7.5 grams. for heavier letters, extra postage of $0.87 is needed for every 10 grams than is more than 7.5 grams. what is the postage needed for a letter that is 37.5 grams?

Which ratio is equivalent to 10: 85

Find the value of x that will make l ll m

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