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| Santa told me I had to keep track of how many presents I gave to the children. I forgot to count how many presents were in my bag when I started. | |
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| Well, how many have you given out? | |
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| I have given out 8 presents and I only have this one left. | |
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| So, how can I figure out how many I started with? | |
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| That's easy! Just add together the 8 you gave out with the one you have left and you know that you started with 9. | |
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