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#