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Mathematics, 21.09.2021 17:10 Gabriella0000

One month, a homeowner used 150 units of gas and 520 units of electric for a total cost of $84.20. The next month, 210 units of gas and 405 units of electric were used for a total cost of $82.35. Find the cost per unit of gas and electric.

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One month, a homeowner used 150 units of gas and 520 units of electric for a total cost of $84.20. T...

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