Grings - Matemática para Concursos 12 - Regra de Três Composta

Directly and Inversely Proportional Compound Rule of Three. 3 questions from the following public exams: TELERJ, FAAP, Fundação Carlos Chagas. Subscribe:    / omatematicogrings   Visit my WEBSITE: http://www.omatematico.com/ DVD classes: http://www.lojaomatematico.com.br/ Fanpage:   / omatematicocom   STUDYING has never been so easy! CONTENT: - EXERCISE 1 for the Public Exam (TELERJ) in time (0:37) How do you know if it is a simple or compound rule of three? Discover in time (5:29) Steps to set up the rule of three: 1°) Set up the columns in time (2:45) 2°) Analyze whether the columns are inversely or directly proportional in time (2:51) Simplifying in time (7:02) Video lesson Simplifying Fractions: http://bit.ly/2d0yxdt EXERCISE 2 for the Contest (FAAP) in time (8:49) EXERCISE 3 for the Contest (Fundação Carlos Chagas) in time (15:59)