Let the selling price be S. The selling price based on selling price is found from:
\(\frac{S-150}{S}=\frac{0.75}{1}\)
Cross-multiplying, we get:
0.75S = S - 150
which when solved for S gives a selling price = $600.
To find the selling price based on cost, the following equation applies:
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Cross-multiplying, we get:
112.50 = S -150
which when solved for S gives a selling price = $262.50.