How can someone in the audience at a concert hall hear loud sounds but someone in the crowd may hear quiet sounds?

Show all steps i have my exam tomorrow

Arecipe calls for 2 cups of flour to make a cake. you look in the stock room and see a bag of flour that has a tag that says this bag contains 25 cups of flour. how many complete cakes could you make from this bag of flour?

Find the number if 3.7% of it is 37% of 37.