When building a house, the number of days required to build varies inversely with with the number of workers. One house was built in 29 days by 27 workers. How many days would it take to build a similar house with 9 workers?

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{ {