SOLUTION: Hi can you help give me the answer to this problem? 1.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 ov

Algebra ->  Equations -> SOLUTION: Hi can you help give me the answer to this problem? 1.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 ov      Log On


   

Question 646829: Hi can you help give me the answer to this problem?
1.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.)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

 .08*300 = $24

 $24 + .13x = 43.50

       .13x = 19.50

          x = 150kWh 

total kilowatt-hours  is 450kWh