Question
P6.AG.JC.17080447-A1
Bobby has a mass of 7d kg. Mark is 5 kg heavier than Bobby. The mass of Risa is thrice the total mass of Bobby and Mark.
  1. Find the total mass of the 3 children in terms of d.
  2. If d = 2, find the average mass of the 3 children.
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Primary 6 ALGEBRA P6.AG.JC.17080447

03 May 2024, 04:50 PM

Bobby has a mass of 7d kg. Mark is 5 kg heavier than Bobby. The mass of Risa is thrice the total mass of Bobby and Mark.
  1. Find the total mass of the 3 children in terms of d.
  2. If d = 2, find the average mass of the 3 children.
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