Write en solve a word problem that involves dividing by 10

Which value would be a solution for x in the inequality 47-4x< 7

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

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