easy · GMAT Quant
A retail manager determines that the daily revenue R can be represented by R = -2(x - 20)^2 + 800, where x is the price per unit.
If the manager sets the price such that x is an integer and R ≥ 750, what is the difference between the greatest and least possible values of x?
- 11
- 10
- 20
- 8
- 5
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