SAMPLE QUESTION 2
1 answer:
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<h2>Hello!</h2>
The answer is:
The correct option is:
A. $0.49
<h2>Why?</h2>From the statement, we know that the iHome is used on average three hours a day, and we are asked to find the cost for a week, so first, we need to calculate the total hours that the iHome is used for, and then, calculate the kilowatt-hour consumption rate.
Now, we must remember that:
So,
Then, calculating the cost, we have:
Hence, we have that the correct option is:
A. $0.49
Have a nice day!
Please see the attached image for a visual representation of our scale factor. We can set up this proportion by taking the DVD cover and poster values and placing them in fractions. Cross multiply and divide to solve for x.
