Question
The mass of Box L is 145 kg. The mass of Box N is 11 kg more than the mass of Box L. The mass of Box M is 65 kg less than the mass of Box N. What is the mass of Box M?
4 m

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The mass of Box L is 145 kg. The mass of Box N is 11 kg more than the mass of Box L. The mass of Box M is 65 kg less than the mass of Box N. What is the mass of Box M?