Question

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$express \: 1.68bar \: in \: the \: \frac{p}{q} form \: where \: q \: not equal to \: 0:p.q \: are \: inters$

Answer 1

let 1.6868... = X (equation 1)

Two digits are reoccurring so we will multiply 100 in both sides

then 168.6868.. = 100x(equation 2)

subtract equation 1 from equation 2

100x-x=168.6868-1.6868

99x=167

x=167/99

$\frac{167}{99}$
This is the answer. hope it helps