4 well developed paragraphs or 5 shorter ones for essays

Hi. I've attempted several essays so far, and in 30 minutes time, I've noticed that I can get either 4 well developed paragraphs (inlcuding intro/conclusion) or 5 shorter paragraphs (inlcuding intro/conclusion). The ideal scenario is to get 5 well developed paragraphs but alas, that is "ideal&q...