hard · GMAT Quant
A production line has two teams. Team X, with 10 members, completes an average of 15 units per member per day. Team Y, with 20 members, completes an average of 24 units per member per day.
What is the average number of units completed per member per day for all 30 members?
- 19.5
- 22.5
- 21
- 20
- 22
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