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April 28th, 2017, 11:06 AM   #1
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Unhappy 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=15x-6)

Last edited by yury; April 28th, 2017 at 11:30 AM.
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April 28th, 2017, 11:10 AM   #2
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Correct so far. What is $x$?
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April 28th, 2017, 11:44 AM   #3
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quantos garotos são?
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April 29th, 2017, 12:37 AM   #4
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x = 22

(For the other problem, 105 stamps.)
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