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31 December, 00:32

Maggie lives on a street with 10 houses. The houses are numbered 1 to 10. If Maggie adds up all the house numbers that are lower than hers, the total is three times her actual house number. What number is Maggie's house?

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Answers (2)
  1. 31 December, 00:45
    0
    Her house number would be 7.

    Step-by-step explanation:

    If you add up all the houses previous to house number 7 the sum would be 21 which is three times her house number.
  2. 31 December, 01:35
    0
    7

    Step-by-step explanation:

    1+2+3+4+5+6=21

    21:3=7
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