Question
The total mass of a barbie doll, a teddy bear and a robot is 3 kg 550 g. The teddy bear is thrice as heavy as the barbie doll. The robot is twice as heavy as the teddy bear. Find the total mass of the barbie doll and the robot. Give the answer in kg and g.
4 m

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The total mass of a barbie doll, a teddy bear and a robot is 3 kg 550 g. The teddy bear is thrice as heavy as the barbie doll. The robot is twice as heavy as the teddy bear. Find the total mass of the barbie doll and the robot. Give the answer in kg and g.