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hour glasses

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2 items are filed under this topic.
Nine minutes 2004-09-02
From A student:
You have two hour glasses-one measures 7 minutes and one measures 4 minutes.How can you time 9 minutes?
Answered by Penny Nom.
Timing with hour glasses 2001-03-20
From Nathan:
How can a chef use an 11 minute hour glass and a seven minute hour glass to time a vegtable that needs to be steamed for 15 minutes.
Answered by Leeanne Boehm.



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