SOLUTION: During one month, a homeowner used 300 units of electricity and 140 units of gas for a total cost of $106.20. The next month, 250 units of electricity and 250 units of gas were use

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Question 1179677: During one month, a homeowner used 300 units of electricity and 140 units of gas for a total cost of $106.20. The next month, 250 units of electricity and 250 units of gas were used for a total cost of $112.50. Find the cost per unit of gas.
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!


Question asks for g. Might be neat if try to eliminate terms of e.





revised system:


Subtract.


----dollars per unit

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