Posted by **PLEASE NEED HELP** on Thursday, March 29, 2012 at 11:06pm.

Finances. During one month, a homeowner used 500 units of electricity and 100 units of gas for a total cost of $352. The next month, 400 units of electricity and 150 units of gas were used for a total cost of $304. Find the cost per unit of gas. Please show the work. Thanks

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