an electric company charges a certain rate per kilowatt - hour (kwh) of electricity used and an…

an electric company charges a certain rate per kilowatt - hour (kwh) of electricity used and an administrative fee of $3.50. the company charged zhao $63.25 for using 800 kwh of electricity. zhao uses the equation, 63.25 = 800r + 3.50 to represent the situation. what does the variable r represent in the equation? choose 1 answer: a the number of kilowatt - hours zhao used b the charge per kilowatt - hour c the amount of the total charge that depends on the number of kilowatt - hours used

an electric company charges a certain rate per kilowatt - hour (kwh) of electricity used and an administrative fee of $3.50. the company charged zhao $63.25 for using 800 kwh of electricity. zhao uses the equation, 63.25 = 800r + 3.50 to represent the situation. what does the variable r represent in the equation? choose 1 answer: a the number of kilowatt - hours zhao used b the charge per kilowatt - hour c the amount of the total charge that depends on the number of kilowatt - hours used

Answer

Brief Explanations:

The total charge of $63.25$ is composed of an administrative - fee of $3.50$ and the charge for the electricity used. The charge for the electricity used is the product of the number of kilowatt - hours ($800$) and the rate per kilowatt - hour ($r$). So, $r$ represents the charge per kilowatt - hour.

Answer:

B. The charge per kilowatt - hour