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A chair originally cost $50.00. The chair was offered for sale at 108

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A chair originally cost $50.00. The chair was offered for sale at 108  [#permalink]

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New post 05 Nov 2017, 01:43
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A chair originally cost $50.00. The chair was offered for sale at 108 percent of its cost. After a week, the price was discounted 10 percent and the chair was sold. The chair was sold for

(A) $45.00
(B) $48.60
(C) $49.00
(D) $49.50
(E) $54.00

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Re: A chair originally cost $50.00. The chair was offered for sale at 108  [#permalink]

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New post 05 Nov 2017, 01:46
Bunuel wrote:
A chair originally cost $50.00. The chair was offered for sale at 108 percent of its cost. After a week, the price was discounted 10 percent and the chair was sold. The chair was sold for

(A) $45.00
(B) $48.60
(C) $49.00
(D) $49.50
(E) $54.00


If the cost of the chair was 50$ originally and the chair was sold at 108 percent of the cost,
it must have been sold at \(1.08*50 = 54\)$

If the chair was sold at a 10% discount, the price will be \(0.9*54 = 48.60\)$ (Option B)

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Re: A chair originally cost $50.00. The chair was offered for sale at 108  [#permalink]

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New post 05 Nov 2017, 04:23
If the cost of the chair was 50$ originally and the chair was sold at 108 percent of the cost,
it must have been sold at 1.08∗50=541.08∗50=54$

If the chair was sold at a 10% discount, the price will be 0.9∗54=48.600.9∗54=48.60$ (Option B)
Re: A chair originally cost $50.00. The chair was offered for sale at 108 &nbs [#permalink] 05 Nov 2017, 04:23
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