Question

Express 2.8 and in 8 there is a bar and express in the form of p by Q and p and p are integers where Q is not equals to 0

Answer 1

Let,
x = 2.888...
10x = 28.888...
10x-x = 28.888...-2.888...
9x = 26
x = 26/9

Answer 2

Answer :

Let us consider,

x = 2.8 (bar on 8) = 2.8888...

Now, 10x = 28.8888...

So, 10x - x = 28.8888... - 2.8888...

=> 9x = 26

=> x = 26/9

Therefore, 2.8 (bar on 8) = 26/9 [in P/Q form]

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