medium · GMAT Quant
A manufacturer produces components at a cost of c per unit and sells them for s per unit. Last month, n units were sold. This month, the cost per unit increased by 10%, the selling price per unit decreased by 5%, and the number of units sold increased by 20%.
If the total monthly profit remained unchanged, which of the following expresses s in terms of c?
- S = 2c
- s = (3)/(2)c
- s = (16)/(7)c
- s = (7)/(16)c
- s = (11)/(5)c
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