April 28th, 2017, 11:06 AM  #1 
Newbie Joined: Apr 2017 From: brasil Posts: 12 Thanks: 0  aplicated math
se der 12 a cada garoto, ficarei ainda com 60 . Para dar 15 a cada um precisarei de mais 6. Quantos sao os garotos? (12x+60=15x6)
Last edited by yury; April 28th, 2017 at 11:30 AM. 
April 28th, 2017, 11:10 AM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 6,937 Thanks: 2265 Math Focus: Mainly analysis and algebra 
Correct so far. What is $x$?

April 28th, 2017, 11:44 AM  #3 
Newbie Joined: Apr 2017 From: brasil Posts: 12 Thanks: 0 
quantos garotos são?

April 29th, 2017, 12:37 AM  #4 
Global Moderator Joined: Dec 2006 Posts: 17,908 Thanks: 1382 
x = 22 (For the other problem, 105 stamps.) 

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