Question
The figure shows the mass of 3 objects, C, D and E. E has a mass of 1.5 kg. The ratio of the mass of C to the mass of D is 3 : 1. What is the mass of D? Express your answer in kg.
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The figure shows the mass of 3 objects, C, D and E. E has a mass of 1.5 kg. The ratio of the mass of C to the mass of D is 3 : 1. What is the mass of D? Express your answer in kg.