First let's convert 7.5% into a decimal by doing Beyoncé on it and move the decimal two places to the left.
Now let's multiply the cost of the DVD by the converted percent,
Now let's add the above number to the original price, remember, $2 is not exact.
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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey