A savings account is started with an initial deposit of $500. The account earns 1.5% interest compounded annually.
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Answer:
<h2>María used only 792 square centimeters to cover the best seller.</h2>Step-by-step explanation:
The volume of the best seller is about a rectangular prism, which is
Where is width,
is length and
is height.
In this case, we have
Replacing values in the formula, we have
Now, according to the problem, 10% of paper covers the book, that means we need to find the suface area and then find the 90% of the paper missing. The formula for surface area is
Replacing values, we have
If 792 square centimeters is 10% of the total paper, then
Therefore, there is 7,920 square centimeters of papers, but María used only 792 square centimeters to cover the best seller.