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4 December, 08:16

Question #7multiplechoice score: in a certain candy store, 3 pounds of candy and 2 pounds of mints cost $10.80, and 1 pound of candy and 3 pounds of mints cost $5.35. what is the cost per pound of the mints?

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  1. 4 December, 12:02
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    Let the cost of one pound of candy be x and one pound of mint be y.

    3x+2y=10.8 a

    x+3y = 5.35 b

    B*3 = 3x+9y = 16.05 b

    b-a = 7y = 16.05-10.8 = 5.25

    y = 5.25/7 = 0.75

    The cost per pound of mints is $0.75
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