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2 items are filed under this topic.
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Nine minutes |
2004-09-02 |
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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. |
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Timing with hour glasses |
2001-03-20 |
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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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