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Tracey paid $120 for an item that was originally priced at $420. What percent of the original price did Tracey pay ? Round your answer to two decimal places.Do NOT include a %

Respuesta :

Data

• Original price (,O,): $420

,

• Original price percent (,PO,): 100%

,

• Really paid (,R,): $120

,

• Really paid percent (,x,): ?

Procedure

We have to build a relationship taking into account the parameters given:

[tex]\frac{420}{100}=\frac{120}{x}[/tex][tex]4.2=\frac{120}{x}[/tex]

Isolating for x:

[tex]x=\frac{120}{4.2}[/tex][tex]x\approx28.57[/tex]

Answer: 28.57

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