Alice earns simple interest on a principal of $1,400 at an annual interest rate of 6% for the period of 3 years. What equation s
2 answers:
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If we let be the number of pages read in 1 hour, then in 7 hours Doug reads
pages. We know that this number of pages is 231, so we have
<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
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