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anonymous

  • one year ago

The sum of the first and second of three integers is 154. Find the three even integers.

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  1. anonymous
    • one year ago
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    @welshfella

  2. anonymous
    • one year ago
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    I'm guessing integer 2 = (integer 1)+2, since they are all even?

  3. anonymous
    • one year ago
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    umm... i guess that is a reasonable assumption yes.

  4. anonymous
    • one year ago
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    *even and (mostly) consecutive

  5. anonymous
    • one year ago
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    \[I_1 + I_2 = 154\] \[I_2 = I_1+2\] \[I_3 = I_2 +2\]

  6. anonymous
    • one year ago
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    so that would mean that i 2 is 156?

  7. welshfella
    • one year ago
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    first even number = n n + n + 2 = 154 2n = 152

  8. anonymous
    • one year ago
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    79 is i1?

  9. welshfella
    • one year ago
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    no n = 152/2

  10. welshfella
    • one year ago
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    i1 = 76

  11. anonymous
    • one year ago
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    so if n=76 that would mean I2 is 78

  12. welshfella
    • one year ago
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    yes

  13. anonymous
    • one year ago
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    and that would mean i3 is,,, 80?

  14. welshfella
    • one year ago
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    right

  15. anonymous
    • one year ago
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    and that would be the answers?

  16. welshfella
    • one year ago
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    yes

  17. anonymous
    • one year ago
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    ok! thanks again!

  18. welshfella
    • one year ago
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    yw

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