krisayon7217 krisayon7217
  • 09-01-2019
  • Mathematics
contestada

Sally buys a hand bag. There was a discount of 30% if sally paid 20$ what was the original price

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tramserran
tramserran tramserran
  • 09-01-2019

Answer:  $28.57

Step-by-step explanation:

[tex]\dfrac{New-Original}{Original}=Percent\ Change[/tex]

[tex]\dfrac{20-x}{x}=-0.30[/tex]

[tex]20-x=-0.30x[/tex]

[tex]20=0.70x[/tex]

[tex]\dfrac{20}{0.70}=x[/tex]

[tex]28.57=x[/tex]


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