Question

1.27 bar on (27) express in the form of p/q

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Answer 1

Answer:

14/11

$let \: x \: = 1.27(bar \: on\: 27) \\ x = 1.27.... - - - (1)\\ multiply \: by \: 100 \: on \: both \: sides \: of \: \: (1) \\ 100x = 127.27.... - - - (2) \\ subract \: (2) \: from(1) \\ 100x = 127.27.... \\ x = 1.27.... \\ 99x = 126 \\ x = \frac{14}{11}$

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