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A computer company’s featured laptop cost $800 last year. This year

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A computer company’s featured laptop cost $800 last year. This year  [#permalink]

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New post 07 Mar 2019, 00:16
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A
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D
E

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Question Stats:

93% (01:30) correct 7% (01:37) wrong based on 15 sessions

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A computer company’s featured laptop cost $800 last year. This year, the laptop sold for 15% less than it did last year. Next year, after updates are made to the model, there will be a 25% price increase over this year’s price. What will be the price next year?

A. $810

B. $825

C. $840

D. $850

E. $880

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A computer company’s featured laptop cost $800 last year. This year  [#permalink]

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New post 07 Mar 2019, 00:28
Since the laptop costs $800 last year and it costs 15% less this year, it will cost $680(\(\frac{17}{20}*800\))

Next year, the laptop will cost \(\frac{5}{4}*680\) = $850(Option D)

P.S It helps if you remember the common percentage to fraction conversions.

\(\frac{100-15}{100} = \frac{85}{100} = \frac{17}{20}\)

\(\frac{100+25}{100} = \frac{125}{100} = \frac{5}{4}\)
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Re: A computer company’s featured laptop cost $800 last year. This year  [#permalink]

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New post 07 Mar 2019, 04:24
Bunuel wrote:
A computer company’s featured laptop cost $800 last year. This year, the laptop sold for 15% less than it did last year. Next year, after updates are made to the model, there will be a 25% price increase over this year’s price. What will be the price next year?

A. $810

B. $825

C. $840

D. $850

E. $880



800 * .85 = 680
680*1.25= 850
IMO C
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Re: A computer company’s featured laptop cost $800 last year. This year   [#permalink] 07 Mar 2019, 04:24
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