Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day. If r percent of the store's revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper A, which of the following expresses r in terms of p?
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A$$\frac{100p}{125-p}$$
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B$$\frac{150p}{250-p}$$
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C$$\frac{300p}{375-p}$$
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D$$\frac{400p}{500-p}$$
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E$$\frac{500p}{625-p}$$