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April 1, 2015

April 1, 2015

Posted by **deepa** on Monday, October 1, 2012 at 9:09pm.

- math -
**David Q/R**, Tuesday, October 2, 2012 at 4:22amLet the number of servings of beef be B, and let the number of servings of mash be M. Then we know that:

20B + 2M = 29

11B + 25M = 61

Multiply the first equation by 25, and the second one by 2 to get:

500B + 50M = 725

22B + 50M = 122

Subtract the second equation from the first one to get:

478B = 603

So B = 603/478 = 1.261, and M = (61-11B)/25 = 1.885

Check it:

(20 x 1.261) + (2 x 1.885) = 29

(11 x 1.261) + (25 x 1.885) = 61

So you need 1.261 portions of beef and 1.885 portions of mash.

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