Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 6 miles per hour and Fred rides 9 miles per hour. In how many hours will they be 75 miles apart?
A. Not enough information
B. 6 hours
C. 4 hours
D. 5 hours
Answer: D
Mathematics
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Mathematics
Provide an appropriate response.The price of an item is reduced by 20% in a sale. Two weeks later the price is increased to 20% more than the sale price. Do you think that the item has been restored to its original price? If not, do you think its price is now higher or lower than the original price? Explain your thinking.
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Mathematics
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Mathematics