Solve.A vendor has learned that, by pricing hot dogs at $1.00, sales will reach 108 hot dogs per day. Raising the price to $1.75 will cause the sales to fall to 69 hot dogs per day. Let y be the number of hot dogs the vendor sells at x dollars each. Find a linear equation that models the number of hot dogs sold per day when the price is x dollars each. Write the equation in slope-intercept form using function notation.
A. f(x) = - 
x + 
B. f(x) = -52x + 160
C. f(x) = 52x + 56
D. f(x) = -52x - 160
Answer: B
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Solve the equation.
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Multiply. Write your answer in lowest terms.
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A. 
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Solve the problem.In New York, a certain type of cheese sells for $9.71 per pound. In one region of France, the same cheese sells for $13.30 per kilogram. Where is the cheese more expensive? By how much? Give your answer in dollars per kilogram.
A. In France the cheese is $19.56 per kg more expensive than in New York B. In New York the cheese is $8.06 per kg more expensive than in France. C. In New York the cheese is $3.67 per kg more expensive than in France D. In France the cheese is $8.89 per kg more expensive than in New York