Anew boutique hotel has 96 rooms and needs to hire staff to clean the rooms. if a typical employee can clean a room in about half an hour, how many employees will they need each day to clean the hotel in an 8 hour shift?

   Six employees

Explanation:  If the average time it takes to clean one room is half an hour, then during an eight-hour shift, each employee can clean sixteen rooms, i,e if one employee cleans two rooms in an hour, then one employee will clean sixteen rooms in eight hours. This means that for a total of 96 rooms, it takes:

the total number of rooms divided by the number of rooms that one employee can clean during the eight-hour shift

total of 96 rooms / 16 rooms that one employee can clean = 6 employees  

which means they will need six employees to clean all 96 rooms during a shift of eight hours.

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