Naya and Scott have a cleaning business, Naya can clean the office suite in 20 minutes less time than it takes Scott to do the s
ame job. Working together, they can complete the job in 90 minutes. Approximately how long does it take Naya to complete the job if she works alone? Assuming both people work at steady rates and their rates are not affected by either working alone or working together. A.) 123 minutes
B.) 148 minutes
C.) 172 minutes
D.) 191 minutes
