YOUR ELECTRIC BILL

For the following problems, use 9¢ as the price for one KwH, and show your work!

How much would it cost you to leave an 800w appliance on for 17hours?

I paid 85¢ when I left a 100w light bulb on. How long was it on?

What is the wattage of an electric oven if it costs me a dollar to use it for 70minutes?

How much does it cost to use a 25w light bulb for 15minutes?

If I paid $50 for electricity this month, how many KwH did I use?

How many watts were used by a device that costs $3 to run per hour?