Last visit was: 21 Nov 2024, 16:57 |
It is currently 21 Nov 2024, 16:57 |
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Question Stats:
22% (02:54) correct 77% (01:40) wrong based on 9 sessionsQuantity A |
Quantity B |
The number of people who bought stamps and mailed letters |
The number of people who mailed packages but didn’t buy stamps and didn’t mail any letter. |
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