Respuesta :

[(68-85) divided by 85] x 100%
= -20%
=decreased 20%
TomathyMeyer

first you will need to divide 85 by 100

85÷100=0.85

Then divide 68 by 0.85

68÷0.85=80

80 is what percentage $68 is of $85

So what you left with is a 20% discount