document.write( "Question 646808: The cost of electricity in a certain city is $0.08 for each of the first 300 kWh (kilowatt-hours) and $0.13 for each kWh over 300 kWh. Write an equation to find the number of kilowatt-hours used by a family that receives a $43.50 electric bill. (Use x to represent the kilowatt-hours over the initial 300 \n" ); document.write( "

Algebra.Com's Answer #405959 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi, Previously Posted
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document.write( "1.
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document.write( " .08*300 = $24
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document.write( " $24 + .13x = 43.50
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document.write( "       .13x = 19.50
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document.write( "          x = 150kWh 
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document.write( "total kilowatt-hours  is 450kWh  \n" );
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