insane8 insane8

15-04-2020
Mathematics

contestada

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?

Respuesta :

batbone379 batbone379

15-04-2020

Answer:

7

Step-by-step explanation:

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

21÷3=7

Answer Link

bjmmorrison bjmmorrison

15-04-2020

Answer:

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.

Answer Link

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