People tend to speak more quietly in restaurants than they do when they are having an ordinary conversation. restaurant conversation is about 45 db. if ordinary conversation is 100 times greater than restaurant conversation, how loud is ordinary conversation?

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {