Question

Express the following decimals into p/q form

Answer 1

given = 3.572(72 at bar) 

 let x = 3.572( 72 at bar)-------------------------------------------- mark as 1 
multiplying both sides by 1000x= 3572.727272........------------mark as 2

 subtracting 2 - 1, we get
1000x - x=(3572.7272..........) - (3.5727272..........)
999x = 3569.1545
x = 356915450000/999( mutiplying with 1000 to remove the decimal point)

Answer 2

Hello !
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3.57272...
3.57272 = x ______(1)
MBS by 10 
35.7272 = 10 x ______(2)
Subtracting equation  1 from 2 we got,

35.72720 = 10x 
-03.57272= x 
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32.15448 = 9x 
x = 32.15448 / 9 
x = 3215449/900000
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