During one month, a homeowner used 500 units of electricity and 100 units of gas for a total cost of $311. The next mont

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answerhappygod
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During one month, a homeowner used 500 units of electricity and 100 units of gas for a total cost of $311. The next mont

Post by answerhappygod »

During one month, a homeowner used 500 units of
electricity and 100 units of gas for a total cost
of $311. The next month, 300 units of
electricity and 150 units of gas were used for a
total cost of $210. Find the cost per unit of gas.
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