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The price of a product is $a. Bill bought s products and  Question banks Downloads My Bookmarks Reviews Important topics Author Message TAGS: Director Joined: 29 Oct 2004 Posts: 865 Followers: 2 Kudos [?]: 63 [0], given: 0 The price of a product is$a. Bill bought s products and [#permalink]  26 Jan 2005, 14:42
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The price of a product is $a. Bill bought s products and then sold 80 percents of them$b. which of the following represents the whole deal if Billâ€™s profit was three times the cost?
(a) 0.8sb = 4sa.
(b) (1-0.8)s â€“ab = 3s.
(c) 3(0.8a â€“ sb) = sa.
(d) (s-0.8s)(b-a) = 3.
(e) (s0.8s) / (b-a) = 3.
Intern
Joined: 25 Jan 2005
Posts: 13
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Kudos [?]: 0 [0], given: 0

profit = 3 sa
there fore total sale = 3sa + sa = 4sa
the sale was made by selling 0.8s items at the arate of $b . hence. 0.8sb=4sa Ans A Manager Joined: 01 Jan 2005 Posts: 167 Location: NJ Followers: 1 Kudos [?]: 0 [0], given: 0 [#permalink] 26 Jan 2005, 17:19 Ans is A. Anyways the grammar is not correct. Director Joined: 29 Oct 2004 Posts: 865 Followers: 2 Kudos [?]: 63 [0], given: 0 [#permalink] 27 Jan 2005, 13:16 OA is (A) Did you guys find out this problem is kinda vaguely worded? I mean it said "sold 80 percents of them$b", but it could be understood as "80% for $b" or "%80 for$b per one product (or each)". Also "three times the cost" could mean "three times the cost of s products" or "three times the cost of 80% of s products".

I found this question in realtestquestions.com
I sucked the math part because of grammar mistakes in their tests.
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