ENEM 2013 Matemática #14 - Soma dos Termos de uma Progressão Aritmética (PA)

🔗 Buy the ENEM Math 800+ course: https://pay.hotmart.com/C97770743H Visit: http://www.matematicario.com.br Projections for rice production from 2012 to 2021, in a given producing region, indicate a steady growth in annual production. The table shows the amount of rice, in tons, that will be produced in the first years of this period, according to this projection. Year Production Projection (tons) 2012 50.25 2013 51.50 2014 52.75 2015 54.00 The total amount of rice, in tons, expected to be produced from 2012 to 2021 will be 2013 ENEM question about the sum of the terms of an arithmetic progression. Matemática Rio is a channel with free, creative online math lessons! Learn compelling content in just a few minutes! Created by Professor Rafael Procopio: Postgraduate degree in Mathematics Teaching (UFRJ); Mathematics teacher in the Rio de Janeiro municipal public school system. Matemática Rio on social media: Facebook:   / matematicario   Twitter:   / matematicario   Google+: http://www.google.com/+MatematicaRio