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# A pair of skis originally cost \$160. After discount of x

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Re: A pair of skis originally cost \$160. After discount of x [#permalink]

S1: X=20
SO 20%160=32
so cost after 20% discount is 128. for any value of y, C<130.
sufficient
S2: Y=15
15%160=24
so cost after 15% discount is 134.
now we should not straight away jump to conclusions, as we are not given the value of x (successive discounts). so for some value of x it either has to be or not be less than 130.
insufficient

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Re: A pair of skis originally cost \$160. After discount of x [#permalink]
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Re: A pair of skis originally cost \$160. After discount of x [#permalink]
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