Respuesta :

Firstly I would divide the price down to one percent by:
170/80 = $2.125 / %
Then times it by 100 to get 100% or regular price:
= $212.5
garydesir1

we know that 80%=$170

                       100%=x

x= 100*170/80

x= 17000/80

x= 212.5 or x = 213

As a conclusion , the regular price is 213

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