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Vlad A.

asked • 08/10/20

In a room a cup of coffee takes 10 minutes to cool down from 60 ° C to 40 ° C. If a person is given you a cup of coffee at 70°C and wants to start drinking when it is 30° C. How minutes should wait?

Vlad A.

Please I need your help!
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08/10/20

1 Expert Answer

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Vlad A.

Thanks a lot. Regards from Mexico. :)
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08/10/20

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