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25 February, 13:46

A store is having a sale on chocolate chips and walnuts. For 4 pounds of chocolate chips and 8 pounds of walnuts, the total cost is $33. For 2 pounds of chocolate chips and 3 pounds of walnuts, the total cost is $14.

Find the cost for each pound of chocolate chips and each pound of walnuts.

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  1. 25 February, 16:05
    0
    w = 2.50

    c = 3.25

    Step-by-step explanation:

    Use system of equations and solve

    c = chips, w = walnuts

    eq1 > 4c + 8w = 33

    eq2 > 2c + 3w = 14

    modified eq 2 > 4c + 6w = 28

    eq1-eq2 = 2w = 5

    Solving:

    w = 2.50

    c = 3.25
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