Solve for x 8/x = 12/30

What is mean median mode and range?

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale