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24-02-2022
Mathematics

contestada

A number is increased by 2/7
The resulting number is 27
What was the original number?

Respuesta :

algebraic12 algebraic12

24-02-2022

Answer:

21

Step-by-step explanation:

Let n be the orginql number,

[tex]n + \frac{2}{7} n = 27[/tex]

[tex] \frac{9}{7} n = 27[/tex]

[tex]9n = 189[/tex]

[tex]n = 21[/tex]

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