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A book store is having a 30% off sale. Diary of a Wimpy Kid books are now $6.30 each. What was the original price of the books? Please HELP!!! I need a detailed answer. Explain how you got the answer,
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A book store is having a 30% off sale. Diary of a Wimpy Kid books are now $6.30 each. What was the original price of the books? Please HELP!!! I need a detailed answer. Explain how you got the answer, PLEASE!!

User Enhzflep
by
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1 Answer

3 votes
100%-30% is 70%. Therefore, $6.30 is 70% of the original answer. Write the ratio
6.3/x = 70/100
Cross multiply, and get
630=70x
x=9
Therefore, The Diary of a Wimpy Kid book is $9.
User Jihel
by
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