anonymous
  • anonymous
Sums of consecutive integers
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
The sum of 3 consecutive odd numbers is 117.What is the first number in this sequence?
kaitlyn_nicole
  • kaitlyn_nicole
31
mathmate
  • mathmate
@kaitlyn_nicole \(31+33+35=99\ne 117\) Perhaps a typo?

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zzr0ck3r
  • zzr0ck3r
if I have 3 consecutive odd numbers, then they will be of the form n, n+2, n+4 we want to add them and get 117, so n+(n+2)+(n+4)=117
anonymous
  • anonymous
no no typo
zzr0ck3r
  • zzr0ck3r
he was not saying you have a typo @jamesr
anonymous
  • anonymous
o
anonymous
  • anonymous
but i dont understand this
kaitlyn_nicole
  • kaitlyn_nicole
its 37 sorry
anonymous
  • anonymous
ugh nvm
kaitlyn_nicole
  • kaitlyn_nicole
\[37+39+41=117\]
mathmate
  • mathmate
@kaitlyn_nicole Excellent, now can you explain to @jamesr how you got it so that he can solve similar problems?
kaitlyn_nicole
  • kaitlyn_nicole
you do n+(n+2)+(n+4) = 117 thats the equation, tbh i have a very weird way of doing things but i mainly predicted what n was and worked my way from there.
mathmate
  • mathmate
@kaitlyn_nicole I know your way, "guess and check", that's the fastest possible way, but does not work in all cases. We still have to know the proper way to do things to fall back on. Good job!
zzr0ck3r
  • zzr0ck3r
I think it's best to help with the set up, with lots of explanation, and let them finish.

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