The mean weight of a class of 34 students is 46.5 kg. If the weight of the teacher is included the mean rises by 500g . Find the weight of the teacher
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weight of student is 34*46.5kg=1581kg
weight of included teacher is 34*47kg=1598kg
extra weight is 1598-1581=17kg
weight of included teacher is 34*47kg=1598kg
extra weight is 1598-1581=17kg
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