Question

5. Express in the form of: 0.38+1.27.​

Answer 1

Answer:

1

Secondary School 

 

Math 

 

5 points

Express in the form of p/q : 0.38 (bar on 38) + 1.27(bar on 7)

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 by Nikhil97 20.09.2017

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Shobana13 

 

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Hope this pic helps you :)



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phillipinestest 

 

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The answer   is in .

Solution:

For the first solution of     (bar on 38),  

Let us take x = 0.3838

Shifting the decimal behind first 38 we get 38.38, so  



100x=38.38  

100x = 38 + 0.38

100x = 38 + x

100x – x = 38

99x = 38



For the first solution of   (bar on 7)

Now let us take y = 1.277

Shifting the decimal behind first 27 we get 127.7, so  



100y=127.7  

100y = 126+ 1.277

100y = 126 + y

100y –y = 126

99y = 126



 (bar on 38) +  (bar on 7) = x + y