Question
P6.AG.JC.17080447-A1
Justin has a mass of 7x kg. Charlie is 3 kg heavier than Justin. The mass of Kimberly is twice the total mass of Justin and Charlie.
  1. Find the total mass of the 3 children in terms of x.
  2. If x = 3, find the average mass of the 3 children.
2 m
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Primary 6 ALGEBRA P6.AG.JC.17080447

05 Jul 2024, 12:12 AM

Justin has a mass of 7x kg. Charlie is 3 kg heavier than Justin. The mass of Kimberly is twice the total mass of Justin and Charlie.
  1. Find the total mass of the 3 children in terms of x.
  2. If x = 3, find the average mass of the 3 children.
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