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25 April, 12:34

A store owner wants to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $13.20 per pound should be mixed with 10 pounds of trail mix costing $3.90 per pound to create a mixture worth $9.16 per pound

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  1. 25 April, 13:22
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    13lbs

    Step-by-step explanation:

    x = number of pounds of chocolate/lbs

    13.20 (x) + 3.90 (10) = 9.16 (x + 10)

    13.2x + 39 = 9.16x + 91.6 (x100)

    1320x + 3900 = 916x + 9160

    404x = 5260

    x = 1315/101 = 13.0198 ... ⇒ 13lbs
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