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01-09-2017
Mathematics

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An eight-month used stereo system was sold for $255.75. This was one third (1/3) the amount of what this system originally cost. What was the original cost of this set?

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01-09-2017

From the givens, we know that 1/3 of the original cost is $255.75

Assume that the original price of the stereo is y, therefore:
(1/3) y = 255.75
y = 3 x 255.75

The original price of the stereo is $767.25

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