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7 January, 23:44

A vendor sells hot dogs and bags of potato chips. A customer buys 4 hot dogs and 2 bags of chips for $9.00. Another customer buys 5 hot dogs and 3 bags of chips for $11.75. Find the cost of a hot dog.

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  1. 8 January, 02:59
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    Answer: hot dog = $1.75

    Step-by-step explanation:

    Let h represent hot dogs and c represent bags of chips.

    Customer 1: 4h + 2c = 9.00 → 3 (4h + 2c = 9.00) → 12h + 6c = 27.00

    Customer 2: 5h + 3c = 11.75 → - 2 (5h + 3c = 11.75) → - 10h - 6c = - 23.50

    2h = 3.50

    :2 : 2

    h = 1.75
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