Cora put 16 cups of flour into bags that hold 1/2 cup each .how many bags did she fill

What is the common denominator for 3/5+3/4

Assessment items item 1 garrett is a member of a movie club. he pays a monthly service fee of $5.75 and $2.50 for each movie he rents. which expression represents how much money he will spend for renting x number of movies a month?

Me. i can't figure out this question. give an explanation too. .