Question
Ken weighs b kg while Billy weighs 6d kg.
  1. Find the average mass of each boy in terms of b and d.
  2. If b = 25 and d = 12, find the average mass of each boy. Express your answer in decimal.
2 m
(a)

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(b)

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Ken weighs b kg while Billy weighs 6d kg.
  1. Find the average mass of each boy in terms of b and d.
  2. If b = 25 and d = 12, find the average mass of each boy. Express your answer in decimal.