Learning about different problem solving strategies and when to use them will give you a good start. Problem solving is a process. Most strategies provide steps that help you identify the problem and choose the best solution. There are two basic types of strategies: algorithmic and heuristic.
It should be 'No vacancies' (plural). Vacant means empty/free. Vacancy is the state of being empty, therefore 'no vacancies' = no empty rooms.
4 Someone who is of no fixed address, or in British English no fixed abode, does not have a permanent place to live. FORMAL â¦ no fixed abode phrase of/with PHR, v PHR They are not able to get a job interview because they have no fixed address..., He's of no fixed abode and we found him on the streets.