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Bunuel
An item costs 90% of its original price. If 90 cents is added to the discount price, the cost of the item will be equal to its original price. What is the original price of the item?

(A) $.09

(B) $.90

(C) $9.00

(D) $9.90

(E) $9.99

If we let n = the original price, the discounted price is 0.9n. We can create the equation:

0.9n + 90 = n

90 = 0.1n

900 = n

900 cents = 9 dollars

Answer: C
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