How do you find the value of 1/5 - ((20(81div9))/25)15(20(81÷9)25)?

1 Answer
Oct 20, 2016

-77

Explanation:

= 1/5 - (20xx color(red)((81 -: 9))/ 25) 15(20×(81÷9)25)

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

= 1/5 - (((20xxcolor(blue)9))/ 25) 15((20×9)25)

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

=5/25- 180/25 52518025

=(5-180)/25 518025

= -175/25 17525

= -77