# math

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bernie began building a model airlane on day 7 of his summer vacation and finished building it on day 65. he worked on the plane each day. how many days did it take?

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Taylor, you are probably just taking 65-7 and get 58
, but that would not count day 7,
So there are 59 days.

Looks at a simpler case:
How many days from June 1 to june 5
obviously there are 5 days, but ...
when I take 5-1 I get only 4.

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