sienna29 sienna29

14-03-2017
Mathematics

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Richard practiced each of 3 piano solos for 5/12 hour. expressed in simplest form how long did he practice in all?

Respuesta :

14-03-2017

Well an hour is 60 minutes and 60 divided by 12 is 5 so 1/12 of an hour is 5 minutes. Five times five is 25 and 25 times 3 is 75 so Richard practiced for 75 minutes.

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