nateanths
nateanths nateanths
  • 24-02-2017
  • Mathematics
contestada

what are three consecutive integer whose sum is 138? Wright and solve an equation with one variable.

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williamwu309
williamwu309 williamwu309
  • 24-02-2017
(x-1) + x + (x+1) = 138, so 3x = 138, and x = 46. Then, you do (46 - 1) and (46 + 1), and the answer is 45, 46, 47. 

P.S. I'm only in fifth grade, so I think that you should be able to do something that a fifth grader is doing... but don't feel bad because I'm already doing calculus ^^ 

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