Question

The p/q form of -20.7(bar on 7).

Answer 1

Answer:

$Let \: x = 20.777 ---------- eq\:1$

$Multiply\:both\:sides\:by\:10$

$10 × x = 20.777 × 10$

$10 x = 27. 777 ----------eq\:2$

$Now\:subtract\:eq\:1\:from\:eq\:2$

$10 x - x = 27. 777 - 20 . 777$

$9x = 7$

$x = \frac{7}{9}$

Answer 2

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