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At a crafts supply store, the price of a type of decorative string is c cents per foot. At this rate, what would be the price, in dollars, of y yards of this string?
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A$$\frac{cy}{300}$$
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B$$\frac{100}{3cy}$$
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C$$\frac{3y}{100c}$$
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D$$\frac{3cy}{100}$$
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E$$\frac{300}{cy}$$
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