Question

The mean weight of 35 students is 60 kg . If the weight of a teacher is also included it becomes 60.5 kg . Find the weight of the teacher.
Help plss.​

Answer 1

Answer:

I think the weight of the teacher is 60.5kg.

Answer 2

Answer:

78kg

Step-by-step explanation:

Here mean weight of 35 students is 60kg

So sum of the weight = 35 × 60 = 2100                                            

If the weight of a teacher is included then mean become 60.5

So sum of weights of 35 students and one teacher

= 36  × 60.5 = 2178                                                                                              

Hence weight of teacher =  2178 - 2100

                                      =78kg    

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