REGLA DE TRES 01: Regla de Tres Simple Directa e Inversa y cómo diferenciarlos

CORRECTION: At minute 2:05, "the greater the difficulty, the more workers are needed." The relationship is DIRECT, not inverse, as mentioned in the video. A thousand apologies. A gross slip of the tongue :) (04) Problems to explain: How to apply the Direct and Inverse rule of three? How do you know when to apply the Direct and Inverse rule of three? Facebook:   / tuprofeenlineaperu   Visit: www.tuprofeenlinea.com #ruleofthree #simpleruleofthree 1. To feed 40 horses, I need 25 kg of grass. How many horses can I feed with 15 kg if the ration per horse doesn't change? 2. A carpenter makes 60 folders in 12 days. How many folders will he make in a week? 3. A crew of 8 workers completes a project in 15 days. How many workers will it take to complete the same project in 12 days? 4. A vehicle traveling at a speed of 90 km/h takes 40 minutes to reach its destination. If it increases its speed to 120 km/h, how many minutes will it take?