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11 Jun 2013, 02:04
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Difficulty:
55%
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Question Stats:
56% (01:43) correct
44%
(01:33)
wrong
based on 108
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Store R and S each discounted their selling prices of a certain television model. Is the discounted price of the television at store R Less than the discounted price at store S?
(1) The selling price of the television is discounted by 25% at store R and by 30% at store S.
(2) The selling price of the television is $40 lower at store R than at store S.
(1) The selling price of the television is discounted by 25% at store R and by 30% at store S.
(2) The selling price of the television is $40 lower at store R than at store S.
11 Jun 2013, 02:25
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Store R & S each discounted their selling prices of a certain television model. Is the discounted price of the television at store R Less than the discounted price at store S?
\(P_r(1-\frac{R}{100})<P_s(1-\frac{S}{100})\)?
1. The selling price of the television is discounted by 25% at store R and by 30% at store S.
\(R=25\)
\(S=30\)
Not sufficient to solve the above equation
2. The selling price of the television is $40 lower at store R than at store S.
\(P_r=P_s-40\)
Not sufficient to solve the above equation
1+2) \((P_s-40)*\frac{3}{4}<P_s*\frac{7}{10}\)
\(\frac{1}{20}P_s<30\)? it depends on \(P_s\), still not sufficient
\(P_r(1-\frac{R}{100})<P_s(1-\frac{S}{100})\)?
1. The selling price of the television is discounted by 25% at store R and by 30% at store S.
\(R=25\)
\(S=30\)
Not sufficient to solve the above equation
2. The selling price of the television is $40 lower at store R than at store S.
\(P_r=P_s-40\)
Not sufficient to solve the above equation
1+2) \((P_s-40)*\frac{3}{4}<P_s*\frac{7}{10}\)
\(\frac{1}{20}P_s<30\)? it depends on \(P_s\), still not sufficient
11 Jun 2013, 06:27
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summer101
Store R and S each discounted their selling prices of a certain television model. Is the discounted price of the television at store R Less than the discounted price at store S?
(1) The selling price of the television is discounted by 25% at store R and by 30% at store S.
(2) The selling price of the television is $40 lower at store R than at store S.
(1) The selling price of the television is discounted by 25% at store R and by 30% at store S.
(2) The selling price of the television is $40 lower at store R than at store S.
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Hope it helps.
