What are the coordinates of the point on the directed line segment from (-3, 5) to (−1,−7) that partitions the segment into a ratio of 3 to 1?

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Which one is the correct answer, and why?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?