Question
Vaidev has a mass of 7g kg. Seth is 3 kg heavier than Vaidev. The mass of Xuan is twice the total mass of Vaidev and Seth.
  1. Find the total mass of the 3 children in terms of g.
  2. If g = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

Click button first when a symbol is required. X

Vaidev has a mass of 7g kg. Seth is 3 kg heavier than Vaidev. The mass of Xuan is twice the total mass of Vaidev and Seth.
  1. Find the total mass of the 3 children in terms of g.
  2. If g = 2, find the average mass of the 3 children.