Problema GMAT Quant 04/07/14 (PS) (600-700)

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Recobita
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Problema GMAT Quant 04/07/14 (PS) (600-700)

Mensaje por Recobita » 04 Jul 2014, 17:06

Quant (Problem Solving) (600-700)

Sarah paid a sales tax of 8 percent on her purchase. If the sales tax had been only 5 percent, she would have paid $12 less in sales tax on her purchase. What was the total amount that Sarah paid for her purchase including sales tax?

(A) $368
(B) $380
(C) $400
(D) $420
(E) $432
"En esta vida, todo lo que merece la pena, cuesta conseguirlo"

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Recobita
Asociado Senior
Mensajes: 214
Registrado: 08 Mar 2013, 17:38
GMAT: 750
Alma mater: Universidad de Valencia

Re: Problema GMAT Quant 04/07/14 (PS) (600-700)

Mensaje por Recobita » 15 Oct 2014, 20:03

Quant (Problem Solving) (600-700)

Sarah paid a sales tax of 8 percent on her purchase. If the sales tax had been only 5 percent, she would have paid $12 less in sales tax on her purchase. What was the total amount that Sarah paid for her purchase including sales tax?

(A) $368
(B) $380
(C) $400
(D) $420
(E) $432

Solución propuesta:
respuesta: show
(1,08 * X)-(1,05 * X) = 12; X = 400; 1,08X = 432

La respuesta correcta es (E)
"En esta vida, todo lo que merece la pena, cuesta conseguirlo"

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