How do you find the value of $1/5 - ((20(81div9))/25)$ ?

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Answer 1 · 2016-10-20T17:01:06

$-7$

= $1/5 - (20xx color(red)((81 -: 9))/ 25)$

Solve the inner bracket, $color(blue)(81 -: 9 = 9)$ , so

= $1/5 - (((20xxcolor(blue)9))/ 25)$

Solve $color(brown)(20xx 9= 180)$

= $5/25- 180/25$

= $(5-180)/25$

= $-175/25$

= $-7$

How do you find the value of 1/5 - ((20(81div9))/25)1/5 - ((20(81div9))/25)?