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A: My library books are late; where can I put them? B: This is where they need to be turned in. Let me see them to check the date, OK? A: Yeah, I think that they are really late! B: Not all that late. You only owe the library fifty cents. A: What if

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A: These books should have been turned in last week. B: You have come to the correct place. Hand me your books. A: Here they are. B: Whoa, these are pretty late! You owe five dollars total to clear your fine. A: I don't have the money right now. B: W

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A: Can you help me with returning my late books? B: This is the right spot to pay your fee. Put your books down right here. A: OK. B: I can see that you owe 25 cents a day. That will be one dollar and fifty cents total. A: OK, here's the money. B: We

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

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A: Can you help me with returning my late books? B: This is the right spot to pay your fee. Put your books down right here. A: OK, here they are. B: I can see that you owe 25 cents a day. That will be one dollar and fifty cents total. A: OK, here's t