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January 26th, 2014, 04:15 PM  #1 
Newbie Joined: Jan 2014 Posts: 25 Thanks: 0  quanto que Lucas Recebe
Boa noite, preciso aprender essa conta, Lucas recebe mensalmente R$ 2.500,00 de salário de uma empresa, R$ 1.500,00 de aluguel de um ponto comercial e R$ 1.000,00 de rendimento de aplicações financeiras. Qual a participação percentual de cada fonte em relação a sua renda total? 
January 26th, 2014, 08:34 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 520 Math Focus: Calculus/ODEs  Re: quanto que Lucas Recebe
We ask that posts be made in English here at MMF. If you could translate your post, then I am sure someone would be able to help you. 
January 27th, 2014, 07:11 AM  #3 
Newbie Joined: Jan 2014 Posts: 25 Thanks: 0  To make the floor of a kitchen 3m
good afternoon buddies ... dinovo need of you ... To make the floor of a kitchen 3m long by 6 m wide, 600 tiles were spent. How many tiles are needed to make a floor of 5 m long by 9m wide? a) 1500 b) 1600 c) 1800 d) 1920 e) 1650 
January 27th, 2014, 07:15 AM  #4 
Newbie Joined: Jan 2014 Posts: 25 Thanks: 0  as Lucas Receives
Good night, I need to learn this account, Monthly Lucas receives R $ 2,500.00 salary of a company, U.S. $ 1,500.00 rent from a commercial point and £ 1,000.00 income from financial investments. What is the percentage contribution of each source in relation to its total income? valew 
January 27th, 2014, 09:54 AM  #5 
Global Moderator Joined: Dec 2006 Posts: 20,375 Thanks: 2010 
I assume a 9m by 6m floor would need 1800 tiles, so a 9m by 5m floor would need 1500 tiles. Your second question is unrelated and so should be posted in a separate topic. I think its answer would depend on the relevant currency exchange rates. Can you devise topic titles in English? 

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