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30 April, 08:23

Explain which method you used for solving the system of equations in which x represents the number of bottles of water sold and y represents the number of sandwiches sold. x + y = 390 and 2x + 4y = 1260

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  1. 30 April, 10:50
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    Using the elimination method, x = 150 and y = 240

    There were 150 bottles of water sold, and 240 sandwiches sold.
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