Respuesta :

If the phone is 20% off, take 100-20 = 80. 

Then find 80% of $179. The easiest way is to find the percent of a number is dividing that percentage by 100. 

So, 80/100 = .8

.8 x 179 = $143.20.
You would need to do .8 times 179 which gives you $143.20