Last visit was: 18 Sep 2024, 17:07 |
It is currently 18 Sep 2024, 17:07 |
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Question Stats:
25% (02:54) correct 75% (01:38) wrong based on 8 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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