Question

36 boys in a class weight 42 kg on average if their teacher is included the average increased by 1.5 kg how much does the teacher wait​

Answer 1

Step-by-step explanation:

Then, the 36 boys and the teacher have a total weight of 43.5*37

(the new average is 42 + 1.5 = 43.5 kg and there are now 36 + 1 = 37 people total).

Hence, the teacher weighs: 43.5*37 - 42*36 = 97.5 kg.

Answer 2

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