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In this video we will explain several exercises of rule of three or simple proportionality. We will do exercises of simple direct rule of three and simple inverse rule of three, all with a complete and simple explanation. Enter my website: http://www.TodoSobresaliente.com More videos on rule of three: • Simple, direct and inverse rule of three... Video lists: ---Analysis of functions--- Limits of functions---- • Limit at a point. Indeterminacy of... ---Applications of limits: -- ---(Asymptotes and continuity)------ Asymptotes: • Asymptotes, Basic concepts. Continuity: • Continuity of a function, concepts... ---Derivatives--- • Derivatives, basic concepts and examples. ---Applications of derivatives:------ ---(Extremes, monotony and curvature)-- Calculation of relative extremes (maximums, minimums and inflection points) • Relative extremes. Maxima, minima... Monotony: Increase and decrease. • Monotony. Increase and decrease... Curvature. • Curvature of functions. Concave and Convex... Graphs and functions. • Functions, basic concepts #1. Learn... Curvature: Concavity and convexity. • Video ---------------------------------------- Trigonometry: • Trigonometric functions, basic concepts... Logarithms and exponentials: • Logarithms and exponentials. Equations: • Equations: first degree, second degree... Inequalities: • Inequalities Complex numbers: • Complex Numbers Visit my website: http://www.TodoSobresaliente.com To see a list of my math videos in order, go here: http://goo.gl/rDdt2m My networks: Facebook http://goo.gl/VDXuLI Twitter / fisicomolonmate Instagram: / todosobreiente For the little ones in the house: / @cintialandia3910 If you want to contribute to my work, you can make a donation at https://www.paypal.com/cgi-bin/webscr...