Question
The mass of Box T is 134 kg. The mass of Box V is 15 kg more than the mass of Box T. The mass of Box U is 46 kg less than the mass of Box V. What is the mass of Box U?
4 m

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The mass of Box T is 134 kg. The mass of Box V is 15 kg more than the mass of Box T. The mass of Box U is 46 kg less than the mass of Box V. What is the mass of Box U?