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# In what proportion must sugar at $3.1 per pound be mixed  Question banks Downloads My Bookmarks Reviews Important topics Author Message TAGS: Director Joined: 01 Feb 2003 Posts: 854 Location: Hyderabad Followers: 1 Kudos [?]: 34 [0], given: 0 In what proportion must sugar at$3.1 per pound be mixed [#permalink]  07 Jul 2004, 11:55
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In what proportion must sugar at $3.1 per pound be mixed with sugar at$3.6 per pound, so that the mixture be worth $3.25 per pound? Director Joined: 04 Jul 2004 Posts: 905 Followers: 4 Kudos [?]: 25 [0], given: 0 [#permalink] 08 Jul 2004, 01:28 Logic behind this is that one should pay the same price whether he/she is buying before mixing or after mixing. Let x1 amount of 3.1 is mixed with x2 amount of 3.6. So, x1 * 3.1 + x2 * 3.6 = (x1 + x2) 3.25 Solving, we get x1:x2 = 7:3 Senior Manager Joined: 19 May 2004 Posts: 291 Followers: 1 Kudos [?]: 8 [0], given: 0 [#permalink] 08 Jul 2004, 06:11 It might be faster to solve like this - 3.25 - 3.1 = 15 cents. 3.60 - 3.25 = 35 cents 35/15 = 7/3 [#permalink] 08 Jul 2004, 06:11 Similar topics Replies Last post Similar Topics: 5 In What proportion must flour at$0.8 per pound be mixed 4 16 Aug 2014, 17:56
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