Respuesta :

apologiabiology
so 4 dollars is discount
100-20=80 so
4 dollars =80%
1 dollar=20%
80+20=100
4+1=5

origional price=$5
0Claudia0
Well, is the disncount is 4$
You would do this:
Subtract 20 from 100 to get 80.
Then that 4 dollars, equals that 80%
So, basically 1 dollar equals out to 20%    
Then add the 20 and 80 percent to get to 100
-Then finaly, the simple math is 4+1=5
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The original price is 5$

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