/sci/ - Science & Math

>>	Anonymous Sun Feb 8 04:48:31 2015 No.7055640 [View] File: 1.29 MB, 1600x1200, 1319392982176.jpg [View same] [iqdb] [saucenao] [google] >>7055639

>>	Anonymous Mon Jun 11 03:42:21 2012 No.4768209 [View] File: 1.29 MB, 1600x1200, 1304027796373.jpg [View same] [iqdb] [saucenao] [google] >>4768203 been leaking for a while, find some cool stuff every now and then

Anonymous Wed Dec 15 14:59:10 2010 No.2206759 [View]
File: 1.29 MB, 1600x1200, 1271345516581.jpg [View same] [iqdb] [saucenao] [google]

Sorry to bother you /sci/, but I have a very basic question:

If there are three types of coffee A, B and C that the owner wants to sell for 8.50 per pound, and the cost of each blend is 12, 9 and 7 respectively, AND the amount of B is to be twice that of A, how much will be in each will be in the final blend? I trying to use a linear system to solve it but I'm fucking up the equations I think.

>>	Anonymous Wed Jul 7 00:01:24 2010 No.1348534 [View] File: 1.29 MB, 1600x1200, 1272241741208.jpg [View same] [iqdb] [saucenao] [google]

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