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16 August, 22:41

The employees of a hardware store ordered lunch from a local delicatessen. The lunch consisted of 4 turkey sandwiches and 7 orders of french fries, for a total cost of $23.10. The next day, the employees ordered 5 turkey sandwiches and 5 orders of french fries totaling $24.00. What does the delicatessen charge for a turkey sandwich? What is the charge for an order of french fries?

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  1. 17 August, 00:22
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    Turkey sandwich is $3.9

    French fries is $1.05

    Explanation:

    In this question, we assume the sandwiches be X and the french fries be Y

    So, there are two equations which are shown below:

    4X + 7Y = $23.10

    5X + 5Y = $24

    To find out the X and Y value we have to equate the both equations. So, we multiplied by 5 and multiplied by 4 in equation 1 and 2

    So, the updated equation would be

    20X + 35Y = $115.50

    20X + 20Y = $96

    Now subtract it, so the value would be

    5Y = $19.50

    Y = $3.9

    Now put this Y value in any equation

    4X + 7Y = $23.10

    4X + 7 * $3.9 = $23.10

    4X + $27.30 = $23.10

    4X = $4.20

    X = $1.05
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