16 lb of Brand M Cinnamon was made by combining 12 lb of Indonesian cinnamon which costs $19/lb with 4 lb of Thai which costs $11/lb. What is the cost per lb of the mixture?

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16 lb of Brand M Cinnamon was made by combining 12 lb of Indonesian cinnamon which costs $19/lb with 4 lb of Thai which costs $11/lb. What is the cost per lb of the mixture?

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Answer 1 · 2016-02-02T13:15:35

$17/lb

Explanation:

12 lb is $\frac{12}{16} \cdot 100 % = 75 %$ $12/16*100% = 75%$ of 16 lb.
4 lb is $\frac{4}{16} \cdot 100 % = 25 %$ $4/16*100% = 25%$ of 16 lb.

So the mix costs $\frac{75 % \cdot $ 19}{100 %} + \frac{25 % \cdot $ 11}{100 %} = 0.75 \cdot $ 19 + 0.25 \cdot $ 11 = $ 17$ $(75% * $19)/(100%) + (25% * $11)/(100%)=0.75*$19+0.25 * $11=$17$

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16 lb of Brand M Cinnamon was made by combining 12 lb of Indonesian cinnamon which costs $19/lb with 4 lb of Thai which costs $11/lb. What is the cost per lb of the mixture?

1 Answer

Explanation:

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