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Mathematics, 15.04.2020 21:08 genyjoannerubiera

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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Maggie lives on a street with 10 houses. The houses are numbered 1 to 10. If Maggie adds up all the...
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