SOLUTION: I spend my any hour but my answer not amtch with the key , thank you in advance write repeating decimal as a faction http://imageshack.us/photo/my-images/13/page654.jpg/ the

Question 473956: I spend my any hour but my answer not amtch with the key , thank you in advance
write repeating decimal as a faction

http://imageshack.us/photo/my-images/13/page654.jpg/
the key 43 is ;
s= 41/90
my answer is 45/90
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Let x=0.4(5), so x=0.45555555...
then 10x=4.5555555...
100x=45.555555...
Equation 100x-10x=45.555555...-4.555555...
divide by 90

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