Question 632479
 The selling price of a textbook is $122.50. If the markup is 25% of the bookstore's cost, what is the bookstore's cost of the textbook?
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Let the cost be "x":
Equation:
x + 0.25x = 122.50
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1.25x = 122.5
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x = cost = $98.00
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Cheers,
Stan H.