Marie K.

asked • 05/17/17

A group of 92 students enter a lecture theater. they all have a mobile phone at the end end of 2 hours, 14 phones rung. what percentage is this of the group?

A group of 92 students enter a lecture theater. they all have a mobile phone at the end end of 2 hours, 14 phones rung. what percentage is this of the group?

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