easy · GMAT Quant
Vellum Audit first combines 23 lots averaging 42 with 15 averaging 104. That mixture is then combined with 12 lots averaging 119. A leftover sample from last week is not part of this mix.
What is the first-stage combined average, before the third pool is added?
- 66
- 92
- 79
- 119
- 50
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