hard · GMAT Quant
A batch has total mass M grams and contains A grams of active ingredient. Its total mass is reported as 250 grams to the nearest 10 grams, its active-ingredient mass is reported as 42 grams to the nearest 2 grams, and 100A/M is displayed as 17 percent to the nearest whole percent. In every rounding, a value exactly halfway between two reporting marks is rounded upward. A positive integer number c of grams of inert carrier is added.
What is the least possible c that guarantees the new displayed percentage is no greater than 14 percent for every batch consistent with the three original reports?
- 51
- 40
- 49
- 50
- 52
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