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Cooking Time

A cook must put a souffle exactly 9 minutes at the oven, but he only have a 7 minutes hourglass and a 4 minutes hourglass.

How can he measure 9 minutes with those clocks?

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trinity.topecode about 1 month ago

A cook must put a souffle in the oven, but he only has a 7-minutes hourglass and a 4-minutes hourglass.

How can he measure 9 minutes with those hourglasses?

Please use proper english for problems.

kzer95 2 months ago contains spoiler (show)
tsion 3 months ago contains spoiler (show)
hugh 4 months ago contains spoiler (show)
kash 6 months ago

Thanks for the explanation jezek! Really cleared things up.

jezek 6 months ago contains spoiler (show)
jezek 6 months ago contains spoiler (show)
jezek 6 months ago contains spoiler (show)