Question

Asked Sep 13, 2019

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A butcher has some hamburger that is 24% fat and some that is 21% fat. How many pounds of each should be mixed to make 81 lb of hamburger that is 22% fat?

24% fat | lb |

21% fat | lb |

Step 1

Let he mixes x lb of 24% fat and (81-x) lb of 21% fat

Step 2

x lb of 24% fat = 0.24x lb

(81-x) lb of 21% fat= 0.21(81-x) ...

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