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Mathematics
Mathematics
Problem
Let
x
=
0.
27
‾
x = 0.\overline{27}
x
=
0.
27
. Which of the following equations correctly eliminates the repeating part so that
x
x
x
can be written as a fraction? a)
10
x
−
x
=
27
10x - x = 27
10
x
−
x
=
27
b)
1000
x
−
10
x
=
27
1000x - 10x = 27
1000
x
−
10
x
=
27
c)
100
x
−
x
=
27
100x - x = 27
100
x
−
x
=
27
d)
100
x
−
10
x
=
27
100x - 10x = 27
100
x
−
10
x
=
27
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