There are numerous equipment and facilities required by school to augment students' learning environment in order to provide higher education. Therefore, if my school had sufficient amount of money to buy either computerS for students or books for the library, it would be a good idea to offer computers to students. There are Several reasons whybehind this choice (a comma)buying computers is better than buying books for the library as it can be used as a convenient portable learning device as well as further aiding students' educational necessities.
It is nicer when you conclude the intro with a statement expressing your opinion very clearly.5 or 4 paragraphs?
Well, if you have a question that you don't like at all, then you can write with a 5-paragraph essay. You write one introduction, three bodies, and one conclusion. This can help you write more words, but some students, that I see, put grandiose ideas, by writing too many words. Uppsss.., remember, 30 minutes to finish your essay are a must :D
Look at what Dumi suggests you with the structure (a 4-paragraph essay). With this structure, you are easy to develop your paragraph properly, one content paragraph for, and one againts. This is good for coherence and cohesion between the sentence-to-paragraph-to-essay construction, and for which in the five-paragraph structure this is weak.