document.write( "Question 1050540: During one month, a homeowner used 200 units of electricity and 110 units of gas for a total cost of $74.50. The next month, 260 units of electricity and 250 units of gas were used for a total cost of $112.90. Find the cost per unit of gas. \n" ); document.write( "
Algebra.Com's Answer #666124 by advanced_Learner(501)\"\" \"About 
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