Karen’s Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Karen $5.80 per pound, and type B coffee cos

Question

Karen’s Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Karen $5.80 per pound, and type B coffee costs $4.25 per pound. This month, Karen made 127 pounds of the blend, for a total cost of $657.55. How many pounds of type A coffee did she use?

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Mít Mít 1 year 2021-09-05T05:45:49+00:00 1 Answers 7 views 0

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  1. ThanhThu
    0
    2021-09-05T05:47:26+00:00
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    Answer:

    76

    Step-by-step explanation:

    A + B = 127

    5.80A + 4.25B = 657.55

    Solve with substitution.

    5.80A + 4.25(127 − A) = 657.55

    5.80A + 539.75 − 4.25A = 657.55

    1.55A = 117.80

    A = 76

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