Question

Suppose that the electricity consumption in your home last month was 354 kWh. In your contract with the electricity company, you agreed to pay 11.3 cents per kWh. If you also have to pay a regular fixed charge of $15.63, determine the total amount due on your electricity bill.

Answer 1

The total amount due on the electricity bill is $55.64.

Here given that the last month's electricity consumption is 354 kWh

According to my contract with the electricity company, I agree to pay 11.3 cents per kWh.

So for 354 kWh of last month, I have to pay $=11.3\times354=4000.2$ cents

Now we know that 1 dollar = 100 cents

100 cents = $1

1 cent = $\ \frac{1}{100}$

4000.2 cents $=\ \frac{4000.2}{100}=\ 40.002$

also, I have to pay a fixed charge of $15.63

So the total bill for last month will be $=\ 40.002+\ 15.63=\ 55.632\approx\ 55.64$

Hence the total due amount on the electricity bill is $55.64 approximating the amount to the next two decimal place number.

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