abeltom16409 abeltom16409

18-05-2023
Mathematics

contestada

amina thinks of an number. she subtracts 1/2 from it and multiplies the result by 1/2 she gets 1/8 what is the number

Respuesta :

mhanifa mhanifa

18-05-2023

Answer:

3/4

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Let the number be n, then we have equation:

(n - 1/2)*(1/2) = 1/8
8(n - 1/2)*(1/2) = 1
4(n - 1/2) = 1
4n - 2 = 1
4n = 3
n = 3/4

The number is 3/4.

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