Question 396153
 
20% off, she paid $56.

original price -  20% off=$56.

original price=x

20% off=(20/100)x


{{{x- (20/100)x=56}}}

{{{x- (0.2)x=56}}}

{{{x(1- 0.2)=56}}}

{{{x( 0.8)=56}}}

{{{x =56/0.8}}}

{{{x = 70}}}.........original price was $70


check:

20% off=(20/100)$70=0.2*$70=$14

original price -  20% off= $70 - $14 = $56.