Question
Asked Sep 11, 2019
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2. A butcher has some hamburger that is 23% fat and some that is 17% fat. How many pounds of each should be mixed to make 81 lb of hamburger that is 19% fat?

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Expert Answer

Step 1

Let x lb of 23% fat hamburger is mixed with (81–x) lb of 17% fat hamburger to make 81 lb of 19% fat hamburger.

Step 2

The above statement is tra...

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23% of x17% of (81-x)=19% of 81 17 23 (x)+ 100 19 (81) 100(81-x) 100 23x+1377-17x=1539 6x 162 x 27 lb

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