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 2 years ago
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Change 0.1313... to a common fraction.
 2 years ago
***Help Wanted*** ***Medal and Fan Earned*** Change 0.1313... to a common fraction.

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RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2first, let x = 0.13131313.... now multiply by 100 to both sides, what u get

phi
 2 years ago
Best ResponseYou've already chosen the best response.0Here is an example http://www.khanacademy.org/math/arithmetic/decimals/v/covertingrepeatingdecimalstofractions1

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2ok, good... so, if given 2 equations : 100x = 13.13131313.... and x = 0.13131313 .... subtract of both, 1st equation  2nd equation, what u get

minnie123
 2 years ago
Best ResponseYou've already chosen the best response.0can you rephrase what you want me to subtract please?

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2it means, left side  left side = right side  right side 100x  x = 13.131313...  0.13131313... , right ?

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2well, i will figure out dw:1354893841737:dw

amistre64
 2 years ago
Best ResponseYou've already chosen the best response.0RadEn has a great proof; after about a hundred of these you see a pattern 0.abc... repeats abc then; abc/999 is the fraction the number of 9s in the denominator is the number of positions that are repeated

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2simplied again... 99x = 13 solve for x, just dividing by 99 to both sides u will get the answr

minnie123
 2 years ago
Best ResponseYou've already chosen the best response.013/99 ... thanks for all of your help... i would have responded sooner but my internet is crappy...

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2correct, good finishing :)
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